OSCON Speakers


Brian Aker
Brian Aker is the director of architecture for MySQL when he helps set direction for technology and looks for opportunities to harness and shape the MySQL database for efforts in Web, OEM, and telephony. In his copious amounts of free time he works on Apache and Perl modules, and hacks on the Asterisk Telephony System (hence, never has a working home phone number). In the past, he has been involved with projects for the Army Engineer Corps, The Virtual Hospital, Splunk, and Slashdot. He lives in Seattle with his dog Rosalynd.

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Matt Asay
Matt Asay is VP of Business Development for Alfresco. Prior to Alfresco Asay co-founded Novell's Linux Business Office, founded the Open Source Business Conference, and ran embedded Linux vendor Lineo's Network & Communications division.

Asay earned a JD from Stanford Law School, where he spent two of his three years studying open source licensing under Professor Lawrence Lessig. Matt blogs for InfoWorld and for CNET.

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John Paul Ashenfelter
John Paul Ashenfelter is CTO and founder of TransitionPoint.com, where he builds web-based business applications for startups and small companies. He has written the aboutSQL column for O'Reilly's onLAMP.com site, written several books, and speaks about data warehousing and other topics at open source conferences.

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Marcus Börger
Marcus Börger works for Google in Zürich, Switzerland, andspecializes in C/C++, databases, UML, XML, and of course PHP. To the PHP community, he is also known as helly. He is one of the core developers focused on the new OO features of PHP 5 and Zend Engine 2. Börger has 'hacked' around on all kinds of stuff for over 15 years.

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Mitchell Baker
Mitchell Baker is CEO of Mozilla Corporation, and Chief Lizard Wrangler for the Mozilla project as a whole. The Mozilla project strives to maintain choice and innovation in key Internet applications by delivering great, user-friendly software, such as the Firefox web browser and Thunderbird email client. As one of the world's largest open source software development projects, the Mozilla project includes paid and volunteer staff members, engineers at numerous companies who are paid to work on Mozilla, a volunteer population numbering in the thousands, a range of spin-off projects, and a set of companies using Mozilla technology to build products.

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Josh Bancroft
Speaker biography coming soon.

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Terry Barbounis
Speaker biography coming soon.

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Wayne Beaton
Wayne Beaton is employed by The Eclipse Foundation where he works as an evangelist, spreading the word and helping folks adopt Eclipse technologies. Beaton has extensive experience in object-oriented software development and is a strong proponent of refactoring, unit testing, and agile development methodologies.

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Brian Behlendorf
Brian Behlendorf founded CollabNet, with O'Reilly & Associates, in July 1999. The company provides tools and services based on open source methods. Before launching CollabNet, Behlendorf was co-founder and CTO of Organic Online, a Web design and engineering consultancy located in San Francisco. During his five years at Organic, Behlendorf helped create Internet strategies for dozens of Fortune 500 companies. During that time, he co-founded and contributed heavily to the Apache Web Server Project, co-founded and supported the VRML (Virtual Reality Modeling Language) effort, and assisted several IETF working groups, particularly the HTTP standardization effort. Before starting Organic, Behlendorf was the first Chief Engineer at Wired Magazine and later HotWired, one of the first large-scale publishing Web sites.

Behlendorf is President of the Apache Software Foundation. He also serves as a Technical Advisor to Critical Path (CPTH) and Topica.

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Artur Bergman
Artur Bergman spends most of the time achieving the impossible. He has co-founded four companies ranging from Internet based stock exchanges to content management system solutions. In the open source world, he was mostly involved in the Perl 5 development process as well as working on a wide range of topics from open source large scale storage systems to distributed peer2peer version control systems. Today he works managing the engineering team at Six Apart that develops the software run by LiveJournal.com; another impossible feat.

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Donnie Berkholz
Speaker biography coming soon.

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Josh Berkus
Josh Berkus has been a member of the PostgreSQL Core Team for four years, and leads PostgreSQL contributions & support for Sun Microsystems, and is on the Board of Directors for Software in the Public Interest, Inc. He has been a leader of several other OSS projects, including OpenOffice.org, OpenBRR and LedgerSMB.

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David Bitton
David Bitton is the founder and CEO of Wengo, an innovative SIP-based communication service provider from France. In 2000, with his experience in large telcos and information technology, he started Oreka, an ad-driven ISP. In 2005, Bitton initiated the VoIP venture that later led to the OpenWengo project and the release of WengoPhone source code under a GPL license.

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Steve Bjorg
Steve is co-founder and CTO of MindTouch, Inc. Steve has over ten years of experience in software development and product design. A repeat entrepreneur, he previously founded a company in Liechtenstein, Europe. In 2000, Steve joined Microsoft, working for the CTO's advanced development team tackling concurrency, distributed systems, and the evolution of web-standards. As an avid fan of simple and effective designs, Steve is now applying his pragmatism to all development at MindTouch.

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Rich Bowen
Rich Bowen is a member of the Apache Software Foundation, where he works on the documentation of the Apache Web Server. He's also the web guy at Asbury college (asbury.edu) in Wilmore, Kentucky.

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Jeremy Boynes
Jeremy Boynes joined Gluecode Software with over 20 years experience in enterprise computing. He is a founding partner of Core Developers Network, a consultancy group of leaders in the open source Java community who focus on the corporate Enterprise and targeted expertise in the creation, execution, and development of mission-critical open source projects and infrastructure.

Prior to Gluecode, he successfully led multimillion dollar projects for Cisco Systems, BT, and the UK Employment Service as technical architect for Sequent Computer Systems. As chief architect for Bravanta and for Netmosphere, he played roles in ensuring their success by leveraging open source technologies. Boynes is actively involved in the Apache Geronimo J2EE project, as well as projects at OpenEJB and ObjectWeb. His technical specialties include database systems and application security. He earned his master's degree in electrical sciences from the University of Cambridge.

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Dave Bradley
Speaker biography coming soon.

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Tim Bray
Tim Bray managed the Oxford English Dictionary project at the University of Waterloo in 1987-1989, co-founded Open Text Corporation (Nasdaq:OTEX), launched one of the first public web search engines in 1995, co-invented XML 1.0 and co-edited "Namespaces in XML", founded Antarctica Systems (antarctica.net), and served as a Tim Berners-Lee appointee on the W3C Technical Architecture Group (http://www.w3.org/2001/tag) in 2002-2004. Currently, he serves as Director of Web Technologies at Sun Microsystems, publishes a popular weblog tbray.org, and co-chairs the IETF AtomPub Working Group.

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Christopher Browne
Christopher Browne is a database administrator with Afilias Canada in their Operations/Data Services group. He has been involved with various registry data conversions, as well as the operations of Afilias' registry databases and replication systems. Past involvements include SAP R/3 data conversions and systems development.

In the open source community, Browne has been involved with development of financial applications including cbb, GnuCash, and SQL-Ledger, and most recently the Slony-I replication system.

Browne holds a Bachelor of Mathematics from the University of Waterloo as well as a Master of Science degree in Systems Science from the University of Ottawa.

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Avi Bryant
Avi Bryant is the co-CEO of Dabble DB, a Vancouver startup focused on web-based data management and collaboration tools. He is the author and maintainer of the Seaside web application framework, and is active in the open source Squeak Smalltalk community.

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Jim Buckmaster
Since 2000 Jim Buckmaster has led craigslist to be the most used classifieds service in any medium with over 10 million new ads and over 5 billion page views per month, while maintaining its renowned public service mission, unorthodox business philosophy, non-corporate vibe, and staff of 20.

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Michael Buffington
Michael Buffington has been an entrepreneur and web application developer for over 10 years. Buffington cofounded Price.com Inc. in 1998, authored an advanced level book on Macromedia's ColdFusion, and has been developing clever web applications for companies like Xerox, Adaptive Path, Robot Coop, Values of N, and Federated Media Publishing. Most recently, Buffington stopped being serious and has become known in the Ruby on Rails community for developing and managing the open source llor.nu multiplayer game, a highly addictive and massive game with some very simple underlying principles.

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Tim Bunce
Tim Bunce has been a Perl5-porter since 1994, contributing to the development of the Perl language and many of its core modules. He is the author and maintainer of the Perl DBI module.

He is the founder and CTO of Data-Plan Services, a Perl, database, and performance consultancy with an international client base. He is co-author, along with Alligator Descartes, of Programming the Perl DBI, the definitive book on DBI, published by O'Reilly Media.

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David Bushong
David Bushong is a senior web engineer with the AvantGo division of iAnywhere, Inc. He was the lead engineer behind the recent AvantGo Travel Tab and RSS features. In his spare time he likes to play with, explore, and exploit new technologies, usually web-related.

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Nicolas Cannasse
Nicolas Cannasse leads research and development at Motion-Twin, a French Flash web-based games company. He has been working on several compilers and design of programming languages. In order to improve development on the Flash platform, he released MTASC (Motion-Twin ActionScript 2 Compiler) under GPL. He is also an active member of the OCaml programming language community.

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Brian Capouch
Brian Capouch is an assistant professor and chair of the department of computer science at Saint Joseph's College in Rensselaer, Indiana. He also operates a small wireless ISP. He has taught two college classes and given presentations on VoIP and Asterisk. Currently he is restoring a 152-year-old railroad hotel.

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Ugo Cei
Ugo Cei is COO at SourceSense, a startup focused on open source software development with a strong international focus. Cei has a Ph.D. in Informatics Engineering from the University of Pavia, Italy, more than 15-years experience working in the software field, and is a committer for the Apache Software Foundation. While not busy developing software, he spends his time reading books, blogging at Ruby for Java Programmers

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Terry Chay
Terry Chay was the only Mac user at Plaxo, where he develops the web-based version of their product (they tolerate him because he stinks at CounterStrike). In past lives, he developed the communication layer between an internet-enabled home control device and the web browser, voice portals, PDAs and cell phones via SOAP in PHP, and the first internet travel search engine, also in PHP. He gives seminars on PHP development, which really is just a veiled excuse to play with Keynote. He also thinks it’s pretty cool that he can boast at least six years of Ajax experience in his resume when it has only been around for two of them.

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Neelan Choksi
Neelan Choksi is a senior director at BEA Systems in the Product group. At BEA, Neelan is leading the effort to create the Open JPA project from on the code base of the closed source BEA Kodo product. Neelan joined BEA with the acquisition of SolarMetric where he was the president.

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chromatic
chromatic is the technical editor of the O'Reilly Network. He edits ONLamp.com, the Linux Dev Center, and Perl.com. In his spare time, he is a prolific CPAN developer, a member of the Perl 6 design team, and a contributor to Perl 5, Parrot, and Pugs.

chromatic is also the author or co-author of several books, including Perl Testing: A Developer's Notebook (with Ian Langworth) and Perl Hacks (with Damian Conway and Curtis "Ovid" Poe).

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Mike Clark
Mike Clark is an independent consultant, author, trainer, and programmer. He's the co-author of Agile Web Development with Rails, author of Pragmatic Project Automation, and co-teaches Pragmatic Studio: Ruby on Rails. He helped build one of the first commercial Rails applications and continues working on other Rails projects through his company, Clarkware Consulting.

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Kevin Cochrane
An early pioneer in the content management market, Kevin Cochrane was one of the four original employees at Interwoven and responsible for Interwoven's product strategy and product definition for its flagship products, TeamSite and OpenDeploy. At Interwoven, Kevin was responsible for helping secure Interwoven's early market presence in the Global 1000 and driving product development to establish Interwoven as a global leader in web content management. Kevin was also responsible for driving strategy around key Interwoven platform extensions, including Interwoven's acquisitions of it's MetaTagger, MediaBin, WorkSite, and LiveSite products. Now at Alfresco, Kevin Cochrane continues to focus on building world-class content management products.

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John Coggeshall
John Coggeshall is a Technical Consultant for Zend Technologies where he provides professional services to clients around the world. He got started with PHP in 1997 and is the author of three published books and over 100 articles on PHP technologies with some of the biggest names in the industry such as Sams Publishing, Apress and O'Reilly. John also is a active contributor to the PHP core as the author of the tidy extension, a member of the Zend Education Advisory Board, and frequent speaker at PHP-related conferences worldwide. His web site, http://www.coggeshall.org/ is an excellent resource for any PHP developer.

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Ben Collins-Sussman
Ben is a member of Google's Open Source Program Office, working on projects to promote the spread of open source software both inside and outside the company. Recently, his team released open source project hosting on http://code.google.com. Prior to Google, Ben spent five years with CollabNet as one the original designers and authors of Subversion. He is still active in the Subversion community, and is also a co-author of the O'Reilly book "Version Control with Subversion". His homepage is at http://www.red-bean.com/sussman.

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Damian Conway
Damian has been a vi addict for quarter of a century. His h, j, k, and l keys are polished blank with overuse. He's noremapped his space and tab keys to more useful functions. His .vimrc is over 600 lines long, about 90% of it scripting code. VIM is his second favorite programming language and his only IDE.

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Kees Cook
Kees Cook has been working with Free Software since 1994, and is employed by Canonical as an Ubuntu Security Engineer. In his spare time, he helps admin the mirrors on kernel.org, and hacks on Inkscape. He has written several utilities including GOPchop and Sendpage, and contributes to other projects including Wine, MPlayer, OpenSSH, and the Linux Kernel.

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Rod Cope
Rod Cope is the CTO and founder of OpenLogic, Inc. He has 20 years of software development experience, including nine years of Java. Cope has used Groovy, JBoss, Hibernate, AspectJ, MySQL, Ant, and other open aource projects extensively in commercial applications.

Cope has spoken on Groovy and other topics at the O'Reilly Open Source Convention and to Java User Groups around the country. He is currently writing a book on Groovy for O'Reilly. He holds both bachelor's and master's degrees in Software Engineering from the University of Louisville.

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Mark Cox
Mark Cox manages the Red Hat Security Response Team. Over the last 11 years, Cox has developed software and worked on the security teams of some of the most popular open source projects including Apache httpd, mod_ssl, and OpenSSL. Cox is a founding member of the Apache Software Foundation and the OpenSSL project, and a board member of the Mitre Common Vulnerabilities and Exposure project.

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Russ Danner
Russ Danner is an architect at Christian Science Monitor and The First Church of Christ Scientist where he is engaged in enterprise architecture and moving Open Source to the forefront of the organization’s technical approach. Russ has been developing production grade software for over ten years in C++, Java and other niche languages. Prior to joining the CSPS (Christian Science Publishing Society) Russ worked as a developer in process control engineering / industrial automation at Carpenter Technology Corporation; a specialty alloys manufacture. Russ is an active community member and committer of several open source projects. Russ blogs for The CXO Review.

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Anil Dash
Anil Dash is Vice President of Professional Products for Six Apart, Ltd. Dash is a recognized expert on the weblog medium and on the blogging industry, having appeared on television, radio and print in addition to having founded one of the earliest and most popular weblogs on the Internet. In addition, Dash has given presentations around the world speaking about the future of the weblog medium, the relationship between blogs and journalism, and business blogging.

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Scott Davis
Scott Davis is an independent software developer and international speaker. His books include JBoss At Work, Google Maps API: Adding Where to Your Application, GIS for Web Developers, and Groovy Recipes. He is the Editor in Chief of aboutGroovy.

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Benjamin Day
Benjamin Day is an independent consultant specializing in the design and development of web and Windows database applications using Microsoft .NET technologies. With 9+ years of consulting experience, he has worked with clients such as Fidelity Investments, the Massachusetts Department of Revenue, Deloitte Consulting, and Ceridian Lifeworks. When not developing software, Day plays piano with a Boston-based jazz trio and is an enthusiastic restaurant, food, beer and wine buff. He can be contacted via www.benday.com.

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Murat Demiroglu
Murat Demiroglu has more than 12 years of experience in designing and managing highly demanding middleware software products. As customer advocate and technologist, he has contributed to the design of highly available and scalable data management implementations for large firms in the finance, retail, manufacturing and telecommunications industries. He is also an expert in business intelligence and data warehousing applications. Demiroglu holds a master of science from the University of Technology in Vienna, Austria, with a major in computer science.

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Chad Dickerson
Chad Dickerson is Sr. Director of the Yahoo! Developer Network (http://developer.yahoo.com/). The Yahoo! Developer Network is the central source for developers to leverage the Yahoo! platform in their own applications and includes web services and SDKs that allow developers to build software and services that leverage Yahoo's platform excellence, highly-scalable infrastructure, and leadership position in social media. In his role, Chad oversees the development and evangelism of the Yahoo! technology platform, including services like Yahoo! Messenger, del.icio.us, Flickr, Yahoo! Maps, Yahoo! Music, Yahoo! Search, Yahoo! Shopping, and Upcoming.org.

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Dan Diephouse
Dan Diephouse is a developer and entrepreneur. Currently he is kept busy running a web service consulting company, Envoi Solutions, and a logistics and supply chain software business, Design Spectrum. In the open source world, Diephouse started the XFire project http://xfire.codehaus.org at the Codehaus, a fast, open source Java SOAP stack with an intuitive API. He is also a committer on the Apache ServiceMix, XBean, and Continuum projects.

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Asa Dotzler

Asa Dotzler is the community coordinator for several Mozilla projects. He is the founder and coordinator of Mozilla’s Quality Assurance (QA) and Testing Program, which has grown from just a few contributors when Asa joined the project to tens of thousands of volunteers today. As the Quality Assurance lead, Asa works with Mozilla’s volunteer QA and testing community to ensure excellence and to certify applications for release.

Asa is also co-founder and community coordinator for the Spread Firefox project, launched in October 2004, where he spearheads open-source marketing projects. Spread Firefox is charged with empowering Firefox community members to raise awareness of the popular Web browser.

When he's not helping new QA and marketing contributors, he's working with drivers@mozilla.org, the project management group at Mozilla, to define requirements and development roadmaps for the Mozilla projects.

Asa has been an active member of the Mozilla community since 1999. After volunteering for more than a year, Asa joined the Mozilla organization and has played a key role in delivering products including the release of Mozilla 1.0 and the release of the award-winning Mozilla Firefox Web browser and Mozilla Thunderbird e-mail client now used by more than 60 million people combined worldwide.

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Gavin Doughtie
Gavin Doughtie writes software for DreamWorks Animation. Previously, he worked on multiuser games for Sony, web sites for idealab, and the Picasa photo management application. Doughtie enjoys exploring all the places where technology and creativity meet. He lives with a beautiful blogger and two brilliant sons in Pasadena, California.

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Matt Drew
Matt Drew is a senior software developer at Array BioPharma Inc., a pharmaceutical company. He has thirteen years of experience developing software solutions and has been using Python for five years. He is currently working on decision support and data mining solutions using Python.

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Randy Dunlap
Randy Dunlap has worked on Linux since 1999 in various roles at Intel, OSDL, and Oracle. He was the USB subsystem maintainer for one year and the Kernel Janitors patch maintainer for one year. Most recently he has been attacking power management for SATA and PATA hard drives as well as various other patches. He has a backlog of Linux work that he would like to complete.

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Robin Dunn
Robin Dunn, the creator and maintainer of wxPython, has been working in the software industry for 18 years on a wide variety of applications. He discovered both wxWindows and Python in 1995 while looking for a cross-platform toolkit and has never (willingly) looked back. Dunn was awarded the ActiveState Programmers\u2019 Choice Award at the 2002 O\u2019Reilly Open Source Convention. He is working for the Open Source Applications Foundation, improving wxPython for use in their flagship product, Chandler.

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Curtis D. Edge
Curt Edge was named CIO of The First Church of Christ, Scientist, the Christian Science Publishing Society, and the Christian Science Monitor in May of 2005. Before being named CIO, Curt had served as the CTO since 1998. Prior to his work at the Church, Curt spent ten years in Supercomputing , beginning at the Advanced Scientific & Engineering Computational Center for the Navy in Newport, Rhode Island, and ending at the North Carolina Supercomputing Center. Curt has been the Co-Principal investigator on several National Science Foundation (NSF) grants, including the Carolina’s Summer Institute for Computational Science.

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Matthew Eernisse
Matthew works for the Open Source Applications Foundation doing Web UI development for Cosmo and Scooby, OSAF's calendar server and Web client. He was previously employed at Eduneering, Inc., and KnowledgeWire, LLC, building Web applications in ASP/ASP.net, PHP, and Ruby. Matthew is the author of Build Your Own AJAX Web Applications catalog.

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Brian Ellin
Brian Ellin is a software engineer at JanRain Inc, where he develops Jyte.com, a fun OpenID based reputation site. He is author of the Ruby OpenID library, and writes for and helps maintain the community developer site openidenabled.com. Brian is interested in building web applications that empower users atop a light-weight Internet identity layer, and using OpenID to merge online communities.

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Justin Erenkrantz
Justin R. Erenkrantz is a Senior Software Engineer at Joost. He currently serves as a Director for The Apache Software Foundation. He has been a long-time contributor to the development of the Apache HTTP Server, Subversion, APR, Serf, mod_mbox, and flood.

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J Aaron Farr
J Aaron Farr is a member of the Apache Software Foundation. Having served as VP of Apache Avalon and Apache Excalibur, he is currently mentoring the Open For Business project through Apache's incubation process. To pay the rent he's worked as a J2EE and Eclipse RCP software engineer at Global 500 companies.

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Obie Fernandez
Obie Fernandez is a senior consultant at ThoughtWorks, coaching technology teams tasked with delivering critical projects using Agile development techniques and the latest hot technology such as Ajax and Ruby and Rails. Fernandez enjoys writing and evangelizing; besides a popular weblog, he also serves as series editor for the Addison Wesley Professional Ruby Series, published by Prentice Hall PTR.

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Lee Fisher
Lee Fisher was born a Unix/VMS system admin, then grew up at Microsoft, working in many roles in many teams in the systems divisions, including working on NT core team, the Porting Lab, and most recently the .NET Framework team. Formerly a kernel person, he currently lives way up in user-mode, working on managed or interpreted code which interacts with users. He also runs Huckleberry Software, a small shareware and consulting shop.

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Brian W. Fitzpatrick
Brian W. Fitzpatrick is a software engineer at Google, working on their open source efforts. Prior to that, Brian worked for CollabNet on Subversion and related version control tools. He also worked at Apple as a senior engineer in the education and professional services divisions. He is a member of the Apache Software Foundation, a Subversion developer since 2000, and a co-author of the O'Reilly book Version Control with Subversion.

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Karl Fogel

Karl Fogel is an open source developer and author. After working on CVS and writing "Open Source Development With CVS" (Coriolis, 1999), he went to CollabNet, Inc as a founding developer in the Subversion project. Based on his experiences there, he wrote "Producing Open Source Software: How to Run a Successful Free Software Project" (O'Reilly, 2005), and after a brief stint at Google, now works as an independent copyright reform activist. His secret mission is to spread open source principles and methods to areas outside software.

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Neal Ford
Neal Ford is an application architect at ThoughtWorks, a global IT consultancy with an exclusive focus on end-to-end software development and delivery. He is the designer and developer of applications, instructional materials, magazine articles, courseware, video/DVD presentations, and author of 3 books, including Art of Java Web Development (Manning 2003).

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Dawn Foster
Dawn Foster is the Director of Developer Relations at Jive Software, a collaboration software company in Portland, OR. She has more than 12 years of experience in technology and software with expertise in open source software, web 2.0, blogging, and community building. Dawn is the author of Fast Wonder: An Open Culture Blog (fastwonderblog.com), organizer for Portland BarCamp activities, and is a member of the Portland Open Source Software Entrepreneurs (POSSE). Previously, Dawn worked at Compiere, Intel, and a Midwestern manufacturing company in positions ranging from Unix system administrator to market researcher to open source strategist.

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DD Ganguly
D. D. Ganguly (DD) is CEO of Dimdim, Inc. Previously, as VP of Product Development at CA (NYSE:CA; $3.5B) he built and led an organization of 1000+ members.

Mr. Ganguly joined CA in 2001 upon its acquisition of Boston based AIM, Inc. where he was founder and CEO. AIM’s software products minimized the downtime of e-business applications.

Mr. Ganguly holds a BS in Computer Science from the Indian Institute of Technology, Kharagpur.

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Sergei Golubchik
Sergei Golubchik started developing MySQL fulltext search in 1998 for his own project, and since March 2000 has been working at MySQL AB, touching MySQL code here and there and leaving his fingerprints all over the place.

In addition to being a primary architect of the MySQL Fulltext Search and doing other development tasks, he also takes care of security@mysql.com and performs reviews of the new code. Originally from the Ukraine, he now lives in Germany.

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Zak Greant
Zak Greant's love of free software and open source is turning him into a penguin. The only visible changes (so far) are a gradual accumulation of blubber, a loss of hair (which he hopes is the prelude to feather growth), and a growing preference for raw fish. When not practicing how to waddle or wear a tuxedo, he works with eZ systems AS as their managing director for North America; with the Mozilla Foundation on various community issues; and volunteers with the Free Software Foundation's Compliance Lab.

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Irwin Gross
Irwin brings to Worldview more than a decade of experience working with high technology enterprises as an advisor, strategist, and investor. He focuses on investments in software, systems, and services companies. Irwin currently serves on the Board of Directors of ActiveGrid, Podbridge, Stretch, and Ensim.

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Stuart Halloway
Stuart Dabbs Halloway is a co-founder of Relevance, LLC. He is the author of Component Development for the Java Platform. Halloway regularly speaks at industry events including the No Fluff, Just Stuff Java Symposiums and the Pragmatic Studio.

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Kaliya Hamlin
Identity Woman Kaliya Hamlin is a co-producer of the Internet Identity Workshops along with Doc Searls and Phil Windley. As a freelance evangelist for open standards in user-centric identity, she works tirelessly to communicate about the emerging open standards landscape to both technical and non-technical users. She was recently recognized with the Digital Identity World 2006 Award for "Balancing Innovation with Reality" and serves as a Steward of Identity Commons.

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Mark Hammond
Mark Hammond has been involved in the Python community for over 10 years, and the Mozilla community for not much less! Mark is the co-author of 2 books, releases and maintains the Python for Windows extensions and is the author of both the pyxpcom and pydom Mozilla integration libraries. Mark is currently employed by Enfold Systems and lives in Melbourne, Australia.

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Robert Hansen
Robert Hansen is a doctoral student at the University of Iowa, doing research in electronic voting and secure software engineering under Dr. Doug Jones.

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Perrin Harkins
Perrin Harkins is a senior engineer at Plus Three, an open source-oriented consulting company. His prior experience includes development at large web-based businesses like eToys.com and CitySearch.com. He has published articles on perl.com and contributed to several books about web development. He is a frequent participant in open source projects, and a member of the Apache Software Foundation.

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Jeffrey Harris
In an attempt to avoid the inevitable bliss of life in the Bay Area, Jeffrey left the University of Michigan's physics program and joined Dancing Rabbit where he learned a whole lot about building egalitarian community. Now he's succumbed to the attraction of California, lives in Berkeley and loves working for the Open Source Applications Foundation.

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Mike Hendrickson
During the past 17 years, Hendrickson has held a variety of positions in the publishing industry. He has been a development manager for technical training, an editor of high-end technical reference books, and an editorial manager directing, managing, and mentoring editors.

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Val Henson
Val Henson is a Linux kernel developer who took a brief foray into Solaris while working on the recently released Zettabyte File System (ZFS). Her duties at Intel include making the Linux kernel better and encouraging women in open source. She is the maintainer of the TCP/IP Drinking Game and a proud member of LinuxChix.

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Raymond Hettinger
Raymond is a core developer for the Python language and is responsible for introducing generator expressions, creating the itertools module, optimizing the implementation, and designing several builtin functions including any(), all(), set(), frozenset(), sorted(), reversed() and enumerate(). He is active in the developer newsgroup, the Python Software Foundation, the Python help list, and the comp.lang.python newsgroup. He is the author of 36 recipes in the ASPN Python cookbook and actively maintains several third-party Python tools including a matrix/eigenvalue package and a generic puzzle solving framework.

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Josh Heumann
Josh Heumann lead the Portland Perlmongers for three years, and believes in a diet of testing, repositories and bran. He has an article for O'Reilly due any day entitled, "10 Things I Wish I'd Learned With My CS Degree."

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Bill Hilf
Bill Hilf is the General Manager of Platform Strategy driving Microsoft's platform strategy efforts across the company. Bill's primary focus is to champion platform initiatives that cross these groups, while leading long-term strategy planning in the Windows Server and Tools organization. In this role, Bill regularly engages with the field and worldwide regions to provide a direct channel for customer and community feedback. This interaction enables customer and community input to be incorporated within Microsoft's forthcoming products and technologies.

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Joseph Hill
Joseph Hill is the creator of the Mono Live CD, and administrator of the GotMono Mono user community. He is also the maintainer of several Open Source ASP.NET applications converted to run with Mono and PostgreSQL. Among these are the ASP.NET Forums and the IBuySpy Portal applications, which serve as reference examples for building cross-platform data-driven web applications with Mono.

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D. Richard Hipp
D. Richard Hipp is the founder of Hipp, Wyrick & Company, Inc. (a.k.a. Hwaci), a small North Carolina company providing custom algorithm design and implementation services to large corporations and governments for over 12 years. Hipp holds an M.S.E.E. from Georgia Tech in Atlanta, GA and a Ph.D. in Computer Science from Duke University in Durham, NC.

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Adrian Holovaty
Adrian Holovaty, a web developer/journalist, builds web apps for washingtonpost.com. He's a lead developer of the Django Web framework and hacks on side projects for the public good, such as chicagocrime.org. He lives in Chicago and blogs at Holovaty.com.

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James Howison
James is a doctoral student at the Syracuse University School of Information Studies in New York, on walkabout from Australia. He has been researching free and open source software development for the past four years, as part of the http://floss.syr.edu project, funded by the US National Science Foundation. He has explored social networks, coordination and his dissertation research explores best practices for collaborating with sometimes unreliable partners, including distributed volunteers.

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Amy Hoy
Amy Hoy is well-known (possibly infamous) for her Ruby on Rails-oriented blog and shiny Rails cheat sheets. An almost immediate convert after stumbling onto Rails in November of 2004, she has attempted to inform and amuse others on the same path. She continues to pursue that goal through _Ruby on Rails Right-Brained Guide_, her long-in-coming book for Pragmatic Programmers. In addition to 24 glorious months of Rails (and a RailsDay grand prize win), Amy can lay claim to six years of PHP development experience and eight years of web design experience. In her day job, Amy guides the interface and iteraction for a web-based product developed in Rails.

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Jim Hugunin
Jim Hugunin is an architect on the Common Language Runtime team at Microsoft where he leads the development of IronPython as well as a broader effort to further improve the support for dynamic and scripting languages within the .NET platform. Prior to joining Microsoft, Jim worked at Xerox PARC as one of the principal designers of the AspectJ language and tools. Jim is also the creator of Jython, one of the first and still one of the most popular scripting languages for the Java platform and the second production-quality implementation of the Python programming language.

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Marvin Humphrey
Marvin Humphrey is an independent software consultant specializing in Information Retrieval. In a past life he was an audio mastering engineer.

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Alejandro Imass
Speaker biography coming soon.

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Brian Ingerson
Ingy döt Net is a hacker with more current projects than years to complete them. Some of his more well-known creations are Inline.pm, Kwiki, and YAML. He is currently homeless, traveling worldwide from hackathon to hackathon.

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Jim Jagielski
Web/open source visionary and advocate Jim Jagielski is Chief Technology Officer for Covalent Technologies, the most trusted source for complete enterprise open source solutions and the leading provider of products and services for the Apache Tomcat Application Server, Apache Geronimo Application Server, Apache Axis Web Services Framework, and Apache HTTP, the world's leading Web server. Jagielski has made developer and porting contributions to numerous Open Source projects including Perl, sendmail, BIND/named, PHP, xntpd, GNU, cgiwrap and FreeBSD.

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Jorg Janke
Jorg Janke is the founder and principal of the Compiere ERP & CRM open source project. As the driving force behind Compiere's success, Janke has more than 20 years of combined business and technical experience, holding all Sun Java and Oracle DBA certifications. Under Janke's leadership, Compiere, Inc. provides stewardship, development, support and training for the company's products as a key part of the overall support provided by Compiere's 50+ partners throughout the world. Before founding Compiere, Janke was director of enterprise systems in Oracle's Application Development Division (Redwood Shores, California) and manager of business applications at the EMEA HQ of Unisys (London). Previously, Janke created an application for the retail and distribution markets and later joined ADV/Orga, the company from which SAP licensed its first version. Janke holds a B.A. in Accounting and an M.B.A. from the University of Sussex, United Kingdom.

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Richard Jefferson
Richard is the Chairman and CEO of CAMBIA, and the founder of the BiOS Initiative. He is a native of Santa Cruz, California and lives in Canberra Australia. He received his PhD in Molecular Biology from the University of Colorado. Richard is the inventor of some of the most widely used enabling technologies in agricultural biotechnology, and has pioneered the biological open source movement. He has worked in dozens of countries as a United Nations molecular biologist, and troubleshooter for the Rockefeller Foundation. CAMBIA is an unusual organization melding intellectual property informatics and databasing, in-house molecular biotechnology and new cooperative technology development and sharing paradigms.

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Bruce Johnson
Bruce Johnson is a Google Software Engineer and tech lead of the Google Web Toolkit (GWT). Prior to joining Google, Bruce cut his product teeth as lead developer of AppForge's MobileVB product. His experience writing a Visual Basic cross-compiler was slightly fun (in a masochistic way), designing a portable version of Microsoft COM for non-MS embedded devices was much funner, but, without question, cross-compiling Java into JavaScript for GWT is the funnest. Despite his recent Java focus, Bruce will always be a Bjarne Stroustrup groupie, and he keeps a copy of D&E in his night-stand.

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Jeremy Johnstone
Jeremy Johnstone is a PHP developer for Yahoo! Inc. He currently is working on porting the Address Book property to PHP. Prior experience includes being the Lead PHP Developer for Cerberus Helpdesk as well as being the developer who rewrote Hotscripts.com from the ground up in PHP. He is also a familiar face at the International PHP Conference.

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Christopher Jones
As a 15-year Oracle veteran, Christopher has worked for Oracle in both the US and Australia, working closely with the PHP community. He is the author of several technical articles on using PHP and Oracle, and he recently co-released The Underground PHP and Oracle Manual (download your free copy from http://otn.oracle.com/php). Christopher has presented at conferences including the International PHP Conference in both Frankfurt and Amsterdam, the Open Source Developer's Conference 2005, and the New York PHP Conference & Expo 2006. He also presents Oracle-PHP tutorials and PHPFests worldwide. Christopher's blog is at http://blogs.oracle.com/opal/.

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James Jones
Speaker biography coming soon.

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Avi Kak
For several years now, I have taught award-winning courses at Purdue on object-oriented programming and object-oriented scripting. I am the author of "Programming with Objects" published by John-Wiley in 2003. I am also the author of soon-to-be-published "Scripting with Objects"

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Denise Kalos
Denise Kalos is the Vice President of Corporate Solutions, and a member of the Steering Committee for O’Reilly Media, Inc. Previously, she was the Chief HR Officer and OD Practice Leader for C-Change, Inc., a boutique strategy consultancy to Fortune 1000 financial services and high tech firms on business growth strategies and organizational alignment, and before that was part of the executive team that brought AMB Properties Corporation “public” in 1997.

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Luke Kanies
Luke Kanies has been a Unix sysadmin for almost ten years and has been focusing on development and consulting in server automation for three years. He founded Reductive Labs in 2005 with the goal of producing open source software that rethinks system administration from the ground up.

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Jacob Kaplan-Moss
Jacob Kaplan-Moss is one of the lead developers of Django. At his day job, he's the lead developer for the Lawrence Journal-World, a locally-owned newspaper in Lawrence, KS where Django was developed. At the Journal-World, Kaplan-Moss hacks on a number of sites including lawrence.com, ljworld.com, and kusports.com, and is continually embarrassed by the multitude of media awards those sites win.

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Bill Karwin
Bill Karwin has been a software developer, trainer, and technical writer since 1988. He is widely known for his talent for explaining complex topics and practical techniques with accuracy and a little humor. He has spoken at conferences and meetings of user groups in the U.S., Europe, and Australia.

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Arthur Keller
Dr. Keller is affiliated with the Technology and Information Management program of the Baskin School of Engineering at the University of California, Santa Cruz, chair of the Executive Committee of VSPR (Voting Systems Performance Review), and on IEEE Standards Committees P1583 and P1622 on voting systems. He advises startups and expert witness on patent cases in such areas as databases and electronic commerce as Managing Partner of Minerva Consulting. We was previously Board Secretary and Founder of OVC (Open Voting Consortium).

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Andrew Kelly
Andrew Kelly is founder of a company focused on helping software firms leverage their user communities as competitive weapons. Prior to starting Cognisync, he was Practice Manager of CollabNet’s Developer Network Consulting Practice, designing and constructing developer networks and open source communities. He’s spoken at several conferences on how to take a structured approach to designing a developer community. He’s also recently done a stint in the Peace Corps in Kazakhstan, and as a result now has visions of facilitating offshore development in that region.

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Prakash Khot
Prakash Khot is co-founder and CTO of Communiva, Inc. Previously he led CA's (NYSE:CA) RFID Group in the Office of CTO. Prakash joined CA upon its acquisition of Boston based AIM, Inc. where he was co-founder and CTO. In his abundant free time he allegedly cooks gourmet food.

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Sheeri Kritzer
Sheeri Kritzer has a master's degree in computer science specializing in databases from Brandeis University. She has background as a systems administrator; has worked with Oracle, Sybase, DB2, Solaris, RedHat/Fedora, AIX, and HP-UX. Unstoppable as a volunteer and activist since age 14, Kritzer founded and organizes the Boston, Massachusetts, USA, MySQL Meetup group.

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John Lam

John Lam is the Program Manager on the Common Language Runtime team at Microsoft. John spends his days thinking about how dynamic languages can help improve the lives of developers everywhere. In his previous role, John was a partner at ObjectSharp helping customers write better software using the .NET platform.

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Charles Lamb
Charles Lamb is a developer for Oracle (formerly of Sleepy Cat Software) working on the Berkeley DB Java Edition. He has worked with DBMS internals and applications for over 20 years and was a founder at Object Design, an object database company. He has also worked with Java since the JDK 1.0 and has presented at JavaOne twice.

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Craig Lamparter
Craig is a thirteen year veteran of the Hewlett Packard Company, specializing in Linux systems and global IT infrastructure integration. He has designed and implemented a broad range of Internet and open standard technologies to facilitate IT automation in the extended enterprise. Craig is currently the Program Manager of the recently open-sourced Linux Common Operating Environment which is HP's internal standard for Linux system deployment and lifecycle support.

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Gary Lang
Gary Lang first joined Autodesk as a programmer in 1989. After serving in a variety of roles including director of internet technology, he left in 1996 to co-found a management consulting firm that focused on strategic consulting, product development, and business development.

In 2003, Lang rejoined Autodesk in his current role in which he leads the engineering, quality assurance, technical publications, and product design teams for the Infrastructure Solutions Division.

Most recently, Lang became a driving force behind Autodesk’s first open source product offering, MapGuide Open Source, and he is a founder and board member of the Open Source Geospatial Foundation.

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Robert "r0ml" Lefkowitz
r0ml is an software architect and systems designer with over thirty years of experience. For two decades, r0ml worked on Wall Street, developing market data, trading, risk management, and quantitative analysis systems. More recently, as chief technical architect at AT&T Wireless, he drove the improvement of their CRM, ERP, commission, and data warehousing systems. Over the last several years, r0ml has become increasingly interested in open source software strategy at large enterprises, and is a frequent speaker on the topic.

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Arjen Lentz
Arjen Lentz is community relations manager at MySQL AB, frequently speaking at conferences, and hanging out with MySQL users anywhere. In addition, he teaches MySQL training courses in Australia and New Zealand. Previously, Lentz worked in the MySQL Documentation team.

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Rasmus Lerdorf
Rasmus Lerdorf is known for having gotten the PHP project off the ground in 1995, the mod_info Apache module, and he can be blamed for the ANSI92 SQL-defying LIMIT clause in mSQL 1.x which has now, at least conceptually, crept into both MySQL and PostgreSQL.

Prior to joining Yahoo! as an infrastructure engineer in 2002, he was at a string of companies including Linuxcare, IBM, and Bell Canada working on internet technologies.

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Howard Lewis Ship
Howard Lewis Ship is the creator and lead developer for the Apache Tapestry project. He cut his teeth writing customer support software for Stratus Computer, but eventually traded PL/1 for Objective-C and NeXTSTEP before settling into Java.

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Luke Lonergan
Luke is the CTO and co-founder at San Mateo, California based Greenplum, where he founded the Bizgres open source project. At Greenplum he developed Bizgres MPP, parallel database software RDBMS capable of scaling to Petabytes. Prior to Greenplum, Luke founded the Linux Supercomputing practice at HPTi and was responsible for a number of world record supercomputers including the $15M Forecast Systems Labs machine that was #5 on the top 500 supercomputers list in 1999. Luke holds an MS from Stanford University.

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Robert Lord
Rob Lord is an Internet digital media geek, SET player and occasional gardener. Rob was previously founder and CEO of IUMA (acquired by Universal Vivendi), VP of Web Technologies at N2K (acquired by BMG), General Manager of Nullsoft (acquired by AOL) and co-founder/CEO of Mediacode (acquired by Yahoo!). Rob was most recently Director, Product Manager for the Y! Music Engine at Yahoo!

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Mark Lucovsky
Mark Lucovsky is a Technical Director of Engineering at Mountain View, California-based Google, Inc. Mark has held this position at Google since November 2004. Before joining Google, Mark was a Distinguished Engineer at Redmond, Washington-based Microsoft Corporation. While at Microsoft, Mark was a founding member and principal architect of the 32-bit Windows team where he designed and coded major portions of the Windows operating system. Prior to Microsoft, Mark has designed and coded operating system internals for a variety unix and proprietary os based mini-computers, mini-supercomputers, mainframes, pcs, and workstations.

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Doug MacEachern
Doug is the CTO and Co-Founder of Hyperic Inc. He is also known for creating mod_perl and Author of "Writing Apache Modules in Perl and C". Doug's been involved in the open source community from his participation in the Apache Software Foundation, as well as spearheading efforts around open source at Hyperic and at Covalent Technologies. He currently spends his time working on the Hyperic Plugin framework, helping build out the HQ community, and working with Hyperic partners and customers extending HQ's management capabilities in new and exciting directions. A native of Topsfield, MA, Doug and his wife now live in San Francisco, CA.

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Geir Magnusson
Speaker biography coming soon.

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Roger Magoulas
Roger Magoulas is the director of market research at O'Reilly Media, Inc. Magoulas runs a team building an open source analysis infrastucture providing analysis services, including technology trend analysis, to business decision makers at O'Reilly and beyond. In previous incarnations, Magoulas has designed and implemented data warehouse projects for organizations ranging from the San Francisco Opera to the Alberta Motor Club.

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Carl Malamud
Carl Malamud is the CTO at the Center for American Progress, a Washington, D.C. think tank. Prior to that, he ran the Internet Multicasting Service, which started the first radio station on the Internet and liberated the SEC EDGAR and US Patent databases for free access on the net. The author of 8 books, Carl is also chair of the Jabber Software Foundation.

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Martin Maly
Martin Maly is a developer on the Common Language Runtime team at Microsoft. He is working on the development of IronPython as well as on a broader effort to further improve the support for dynamic and scripting languages within the .NET platform.

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Tom Marble
Tom Marble initially worked at Sun as Chief Technologist for emerging customers in the USA before joining the Java Performance Group. He next served as the technical lead for the Operating System Distributor License for Java (DLJ) project. In February of 2007, he assumed his current role as OpenJDK Ambassador where he facilitates the growth of the OpenJDK Community in an effort to promote Java technology ubiquity, compatibility, adoption and innovation.

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Alex Martelli
Alex Martelli is Uber Technical Lead at Google, Inc. Martelli holds a laurea in Ingegneria Elettronica from Bologna University. He wrote Python in a Nutshell, and also co-edited the Python Cookbook. He's a member of the Python Software Foundation, and won the 2002 Activators' Choice Award. Martelli spent 8 years with IBM Research, earning three Outstanding Technical Achievement Awards; twelve as senior consultant (Win32, Fortran, C, C++, Java, etc), think3 inc; and three as a Python freelance consultant, mostly for AB Strakt. He has taught Programming, Numerical Computing, and OO Design at Ferrara University and other venues.

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Jason Mauer
Jason Mauer is a Developer Evangelist with Microsoft covering the Pacific Northwest. He has been with Microsoft for 5 years, with a background in .NET application development, SharePoint, XML and the Web, and DirectX. Jason can be found online at www.jasonmauer.com.

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Dayne Medlyn
Dayne Medlyn is a solutions engineer in Hewlett-Packard’s Open Source and Linux Organization. As an expert in software test engineering, data center engineering, and application integration, he has engineered network service application testing, Linux distribution testing, open source solutions and testing, data center backup solutions, data center storage solutions, and data center SAN designs.

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David Mertz
Dr. Mertz is a board member and CTO of the Open Voting Consortium and serves on IEEE Standards Committee P1622 on data formats for voting systems. After receiving his doctorate in political philosophy, David became a well-known author in the seemingly little related areas of computer science and programming, and in information security. He feels that procedural democracy requires that the technical instruments of governance be open for public inspection, every bit as much as it requires the legal acts of government remain so open.

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Patrick Michaud
Patrick Michaud is the pumpking for the Perl 6 compiler. He holds a Ph.D. in Computer Science and was formerly a Professor of Computer Science at Texas A&M University-Corpus Christi. He is currently a software developer and consultant focused on open source development and applications, including Perl, PmWiki, and Linux.

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Mårten Mickos
Mårten Mickos, CEO of MySQL, brings a strong track record of leadership in global high-tech companies to MySQL AB. Prior to joining MySQL in 2001, Mickos was CEO at MatchON Sports, which he grew to become the twenty-fourth “hottest e-business” in Europe within nine months of its inception. Previously, Mickos was CEO at Intellitel Communications, where he was instrumental in transitioning the company from a development lab to a commercial software vendor. He has also directed worldwide sales efforts at several technology companies.

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Jayson Minard
Jayson Minard is Editor-in-Chief for the Zend Developer Zone and leads the Zend Framework Project. Jayson has a strong background in e-commerce, highly scalable web applications, software development processes and commercial software development. Before joining Zend, Jayson served as CIO/CTO of Abebooks, Chief Architect for the JBuilder product line at Borland and co-founded OpenAvenue to aid distributed development teams.

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Tatsuhiko Miyagawa
Tatsuhiko Miyagawa is a Perl hacker from Tokyo, Japan. In 2005 he started working in San Francisco for Six Apart, a blogging company. Usually he codes lots of the server-side stuff for Six Apart products, ranging from mobile optimization and Atom publishing protocol to Ajax integration with UI engineers.

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Eben Moglen
Professor of Law and Legal History at Columbia University Law School and General Counsel of the Free Software Foundation. In addition to FSF, Professor Moglen has represented many of the world's leading free software developers. Professor Moglen earned his PhD in History and law degree at Yale University during what he sometimes calls his “long, dark period” in New Haven. After law school he clerked for Judge Edward Weinfeld of the United States District Court in New York City and to Justice Thurgood Marshall of the United States Supreme Court. He has taught at Columbia Law School – and has held visiting appointments at Harvard University, Tel Aviv University and the University of Virginia – since 1987. In 2003 he was given the Electronic Frontier Foundation's Pioneer Award for efforts on behalf of freedom in the electronic society.

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Marcel Molina Jr.
Marcel Molina Jr. is a language enthusiast who went from being a literature major to a programmer. In his transition from natural language to machine language he found Ruby an elegant balance of dynamic, pragmatic and “humane�. And then came along Rails…. Marcel tumblelogs on Projectionist and tries to help keep your apps running smoothly as a developer at FiveRuns.

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brian moseley
Brian Moseley is the lead engineer for Cosmo and Scooby, OSAF's calendar server projects. He has previously worked for such open source friends as Critical Path and Covalent Technologies, where he built web applications in Perl, PHP, and Java. You might have encountered him at past conferences drinking beer with the mod_perl crew. He lives in San Francisco, which continues to be his home base despite sojourns in Oakland, Brooklyn, and Melbourne, Australia.

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A. Elein Mustain
A. Elein Mustain has more than 15 years experience working with databases, ten of those working exclusively with object relational database systems. She is a veteran developer of Ingres, Illustra, and Informix, and is a user of PostgreSQL.

Mustain is the author of PostgreSQL General Bits, a weekly column of informational items loosely based on the pgsql-general mailing list.

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Chris Nandor
Chris Nandor has been a programmer for Slashdot since 2000, and has written numerous Perl modules and articles, and has contributed to several Perl books. He maintains the Perl community web site, use Perl;.

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Mark Newsome
Mark Newsome is a web-services architect at Hewlett-Packard in Corvallis, Oregon. He is particularly interested in designing "intelligent" user interfaces that make it easier for users to find information stored in databases. Newsome earned a Ph.D. from Oregon State University in 1996 where he created one of the first web-to-database scripting languages and an accompanying query interface design tool. At HP he is working on a project that allows printers to reorder their own consummables.

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Kevin Noreen
Kevin Noreen is the Senior Manager for Dell’s HPCC, Linux, and Virtualization Global Alliance Team. His team is responsible for working with Dell’s partners in delivering jointly developed products, strategies and marketing offerings. Prior to this role, he was the Senior Product Marketing Strategist for Clustering at Dell Inc. He has been with Dell Enterprise System Group since 1998 where his responsibilities at Dell included managing both Dell's High Availability and High Performance Cluster Computing programs targeted at the Windows and Linux market.

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Stephen O'Grady
Speaker biography coming soon.

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Tim O'Reilly
Tim O'Reilly is founder and CEO of O'Reilly Media, Inc., thought by many to be the best computer book publisher in the world. In addition to publishing pioneering books like Ed Krol's The Whole Internet User's Guide & Catalog (selected by the New York Public Library as one of the most significant books of the twentieth century), O'Reilly has also been a pioneer in the popularization of the Internet. O'Reilly's Global Network Navigator site (GNN, which was sold to America Online in September 1995) was the first Web portal and the first true commercial site on the World Wide Web.

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Bryan O'Sullivan
Bryan O'Sullivan wrote the Mercurial user manual, has been working on Mercurial since shortly after the project started, and his company provides commercial support. When he's not writing free software, he climbs and plays with his kids.

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Michael Olson
Michael A. Olson is the President and CEO at Sleepycat Software, Inc. Sleepycat Software develops, distributes, and supports Berkeley DB, the Open Source embedded database system. Mike is closely involved with Sleepycat's efforts to sell Berkeley DB into the rapidly-emerging market for embedded devices like palmtop and set-top computers, telecommunications switches, and wireless networking infrastructure. Mike was one of the original developers of both Berkeley DB and the Postgres database at the University of California at Berkeley.

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Jonathan Oxer
Jonathan Oxer is founder of Internet Vision Technologies, one of the oldest and most successful web application development companies in Australia; author of "How To Build A Website And Stay Sane" (Oft Press, 2004) and "Ubuntu Hacks" (O'Reilly, 2006). He is president of Linux Australia, ran the last 5 Debian Miniconferences, and sits on various boards and advisory panels for groups including Swinburne University and the federal e-Research Coordinating Committee.

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Francisco Palm
Speaker biography coming soon.

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Simon Phipps
Technology futurist Simon Phipps is a well-known computer industry insider and commentator and as well as having a widely-read weblog he speaks frequently at industry events on technology trends and futures. At various times he has programmed mainframes, Windows and on the Web. Currently the Chief Open Source Officer at Sun Microsystems, Inc., he was previously involved in OSI standards in the 80s, in the earliest commercial collaborative conferencing software in the early 90s, in introducing Java and XML to IBM and most recently with Sun's launching Sun's blogging site, blogs.sun.com. He lives in the UK, is based at Sun's Menlo Park campus in California and can be contacted via http://www.webmink.net

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Premshree Pillai
Premshree Pillai is a software engineer at Yahoo! and has worked on HK/TW/360 blogs. He hacks (maintains the Ruby APIs for Yahoo! Web Services, Flickr, Technorati, etc.); writes "Ruby Corner," a column for Linux For You; and talks at various conferences about Ruby in his free time. He has contributed to O'Reilly's Python Cookbook, Yahoo! Hacks, and Ajax Hacks, and the ACM's Crossroads. At other times he drinks beer, listens to Opeth, or reads books. His blog is at http://www.livejournal.com/~premshree.

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Jay Pipes
Jay is the North American Community Relations Manager at MySQL. Author of "Pro MySQL" (Apress, 2005), Jay has also written articles for Linux Magazine and regularly assists software developers in identifying how to make the most effective use of MySQL. He has given sessions on performance tuning at the MySQL Users Conference, RedHat Summit, NY PHP Conference, OSCON and Ohio LinuxFest, among others.In his abundant free time, when not being pestered by his two needy cats and two noisy dogs, he daydreams in PHP code and ponders the ramifications of __clone().

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Charlie Poole
Charlie Poole is an independent software developer, coach, and trainer specializing in agile techniques. Originally a C and then C++ guy, he has been working largely in C# since 2001. Poole is passionate in his advocacy of Test-Driven Development and of the importance of tests as a medium of communication. He is one of the authors of the NUnit testing framework.

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Mahesh Prakriya
Mahesh Prakriya is currently a Lead Program Manager in the CLR team. His background includes 10 years at Microsoft (2 years in SQL Server, 6 years in .NET CLR team in Developer Division in Microsoft and another 2 years before that in VS). Before Microsoft Mahesh was a developer for 3 years in Bell Atlantic (now Verizon) in Solaris/Sybase/X-Motif environment. Mahesh has a Masters in Computer Science from University of Pennsylvania and bachelors in electrical engineering.

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Brian Quinlan
Brian Quinlan is a senior Python developer at Scionics Computer Innovation. His primary responsibilities involve designing and implementing libraries, which are used to build scientific applications. He is also responsible for developer training and new technology assessment. He has made contributions to the Python language in the areas of external process control, Unicode support, and XML-RPC.

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Aaron Racicot
Aaron Racicot is a GIS programmer at Ecotrust (www.ecotrust.org). His interests include the development and utilization of Open Source GIS Tools in the areas of environmental and conservation related projects. Aaron completed his undergraduate work in Computer Science at the University of Washington (UW-1996) and received a Masters in Environmental Science from Oregon Health and Science University (OHSU-2005). Specific areas of active development include the integration of server and web based GIS systems into real-time decision support tools, integrated data management systems, and modeling frameworks that utilize the power of GIS.

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Michael Radwin
Michael J. Radwin is an engineering manager for Yahoo!'s Infrastructure Software group that develops and supports web platform technologies such as Apache, PHP, MySQL, and more recently SOAP/REST toolkits. His team has been instrumental in helping Yahoo! migrate from proprietary to open source software.

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Moazam Raja
Moazam Raja is currently a staff engineer at Sun Microsystems in the Remote Services Delivery organization supporting the Java platform. Raja has also previously worked in the Sun Developer Tools organization, and was a Unix systems administrator for the majority of his career prior to joining Sun Microsystems.

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Michael Rash
Michael Rash holds a Master's Degree in applied mathematics with a concentration in computer security from the University of Maryland. Mr. Rash is the founder of cipherdyne.org, a website dedicated to open source security software, and is a Security Architect for the Dragon Intrusion Detection System developed by Enterasys Networks.

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David Recordon
David Recordon works for VeriSign within their David Recordon is Open Platforms Tech Lead for Six Apart, the largest independent blogging company in the world. Recordon has played a pivotal role in the development and popularization of key social media technologies such as OpenID. In 2005, Recordon collaborated with Brad Fitzpatrick in the original development of OpenID, which has since become the most popular decentralized single-sign-on protocol in the history of the web.

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Garrett Rooney
Garrett Rooney works at CollabNet where he plays with Subversion and other related technology. He's a member of the Apache Software Foundation, where he works on APR and pretends he's good enough to commit the occasional change to the Apache HTTPD. When he's not thinking clearly he moonlights as an author; you can see some of his work on O'ReillyNet, in the book Practical Subversion, and most recently in a chapter for O'Reilly's forthcoming Ruby Cookbook. He graduated from RPI, and in his spare time he tries to remember what it was like to have spare time.

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Dave Rosenberg
Speaker biography coming soon.

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Bobby Rullo
Speaker biography coming soon.

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Craig Russell
Speaker biography coming soon.

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Peter Saint-Andre
Peter Saint-Andre is Executive Director of the XMPP Standards Foundation (XSF), Director of Standards at Jabber Inc., editor of the XMPP RFCs, and author of numerous XMPP protocol extensions.

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Chip Salzenberg
Chip Salzenberg, a well-known figure in the Perl and Free/Open Source communities, is Architect of the Parrot virtual machine. He is also an instructor and published author. Chip has created Free and Open Source software for more than 20 years, and worked on the internals of Perl for more than 15 years. Chip was project manager ("pumpking") for Perl 5.4.

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George Schlossnagle
George Schlossnagle runs engineering at the MessageSystems division of OmniTI, where he builds high performance messaging products. He's been known to contribute to PHP occasionally, and write the occasional book.

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Theo Schlossnagle
Theo Schlossnagle is a Founder and Principal at OmniTI where he designs and implements scalable solutions for highly trafficked sites and other clients in need of sound, scalable architectural engineering. He is the architect of the highly scalable Ecelerity mail transport agent. Theo is a participant in various open source communities including OpenSolaris, Linux, Apache, PostgreSQL, perl, and many others. He is an author in the area of scalability and distributed systems as well as a veteran speaker in the open source conference circuit.

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Cliff Schmidt
Cliff Schmidt splits his time between consulting on open source business models and contributing to the legal and governance policies of the world's leading open source organizations. He serves appointed and elected positions for Eclipse, the FSF, ObjectWeb, OSI, and the Apache Software Foundation as vice president of legal affairs.

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Mike Schroepfer
Mike Schroepfer helps guide and foster Mozilla’s heart and soul – its engineering group which is composed of a vast community of contributors and full-time Mozilla employees. Before joining Mozilla Corp., Mike was chief technology officer for Sun Microsystems’ data center automation division ("N1"). Most notably Mike was made a Distinguished Engineer, one of Sun's highest technical accolades. He joined Sun as part of its acquisition of CenterRun, which Mr. Schroepfer founded and served as its Chief Architect and Director of Engineering. Prior to starting CenterRun, Mr. Schroepfer worked with several startups, including a digital effects software startup where he built digital video effects software used in motion pictures such as Star Wars: The Phantom Menace and Gladiator. He holds both bachelors and master’s degrees in computer science from Stanford University and has filed two U.S. patents.

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Michael G. Schwern
Michael G Schwern has authored and maintained more Perl modules than he can remember, and some we'd all like to forget. Test::More, Test::Inline, Exporter::Lite, Class::DBI, Class::Accessor and Sex.pm are some of his creations while ExtUtils::MakeMaker and Test::Harness are under his maintenance. Due to clerical oversight, Michael is the Perl 1 Pumpkin King.

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Jason Scott
Jason Scott runs TEXTFILES.COM, a collection of Bulletin Board System-era artifacts and files going back 30 years in the history of online life. He is the director of "BBS: The Documentary" (www.bbsdocumentary.com), a 3-DVD, 8-episode documentary about the BBS, a project 4 years in the making. He has begun production on GET LAMP (www.getlamp.com), a documentary on text adventures. He lives in Massachusetts.

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John Scott
John Scott (employed at RadiantBlue Technologies) is the project leader of DOD’s Open Technology Development Initiative, which lays the groundwork for streamlined adoption of open source methodologies with DOD, which includes both the adoption (including testing) of private sector open source code and the formation of internal communities of interest around DOD systems, including classified systems. He has held senior positions in technology companies, including three start-ups, including management of software development teams and rapid ramp-up of consulting practices. John holds an MS in Systems Engineering from Virginia Tech and a BA in Mechanical Engineering from Lehigh University. He has been a repeat speaker at the O’Reilly Emerging Technology Conference (and served on the conference committee of its predecessor, Peer-to-Peer), and is a featured speaker at this year’s O’Reilly Open Source Conference.

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Peter Scott
Peter Scott is the author of Perl Medic (Addison-Wesley, 2004) and Perl Debugged (Addison-Wesley, 2001). Scott has worked in software development since 1981. A graduate of Cambridge University, he runs a business teaching Perl and designing enterprise infrastructures. He has taught at OSCON, YAPC, and on the Perl Whirl.

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Doc Searls

Doc Searls is Senior Editor of Linux Journal, one of the world's leading technology monthlies, with a paid circulation of over 100,000. His monthly LJ column is Linux For Suits, and his newsletter is SuitWatch.

Doc is also co-author of The Cluetrain Manifesto: The End of Business as Usual, a New York Times, Wall Street Journal, Business Week, Borders Books and Amazon.com bestseller. (It was Amazon's #1 sales & marketing bestseller for over a year.)

Doc Searls Weblog is also one of the most familiar 'blogs' on the Web. J.D. Lasica of Annenberg's Online Journalism Review calls Doc "one of the deep thinkers in the blog movement."

In all three capacities, Doc is also a frequent speaker and panelist at industry conferences.

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Matt Secoske

Matt Secoske is a consultant living in Omaha, Ne, focused on creating better software. He is the leader of the Omaha Java Users Group, and is a frequent speaker on Java and dynamic language technologies in the Omaha area. He has spoken previously at OSCON, as well as the NoFluffJustStuff conference series.

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Jamey Sharp
Jamey Sharp was born soon after the X Window System was announced. He has been cleaning up X infrastructure since 2001 and is now an expert on the internals of Xlib, much to his dismay. In his spare time he writes rocket software for the Portland State Aerospace Society.

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Corey Shields
Speaker biography coming soon.

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Chris Shiflett

Chris Shiflett is a principal of OmniTI, where he leads the web application security practice.

Shiflett is a leader in the PHP community - a popular speaker at industry conferences worldwide, the founder of the PHP Security Consortium, a contributor to the Zend Framework, and an author of the Zend PHP Certification.

A prolific writer, Shiflett is the author of the critically-acclaimed Essential PHP Security (O'Reilly) and HTTP Developer's Handbook (Sams). His writing has also appeared in numerous articles for php|architect and PHP Magazine, as well as a number of other popular books including Programming PHP (O'Reilly) and PHP Cookbook (O'Reilly).

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Kevin Shockey
Kevin Shockey is editor in chief of TUX magazine and web logger for the O'Reilly Network. Shockey is also a speaker, management consultant, and emerging technology entrepreneur. When he's not reading, writing, or dreaming he likes to spend time enjoying his family.

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Kathy Sierra
Kathy Sierra is the author of Creating Passionate Users, and has been interested in the brain and artificial intelligence since her days as a game developer (Virgin, Amblin', MGM). She is the co-creator of the bestselling brain-friendly Head First series (winner of the Jolt Software Development award in 2004).

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Mark Skarpness
Mark is a software technologist working in the Open Source Technology Center at Intel, focused on Linux strategy and technology enabling. He has held a variety of technical and marketing positions during his thirteen years with Intel. Mark spent his first five years at Intel as a software engineer and architect working in the area of broadband networking and he has been working on open source and Linux for the past five years.

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David Sklar
David Sklar is a software architect at Ning and the author of Learning PHP 5 (O'Reilly), Essential PHP Tools (Apress), and PHP Cookbook (O'Reilly).

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David R. Skok
David Skok joined Matrix Partners as a General Partner in May 2001. He has a wealth of experience running companies. David started his first company in 1977 at age 22. Since then David has founded a total of four separate companies and performed one turn around. Three of these companies went public. He joined Matrix from SilverStream Software, which he founded in June 1996. Prior to its July 2002 acquisition by Novell, SilverStream was a public company that had reached a revenue run rate in excess of $100m, with approximately 800 employees and offices in more than 20 countries around the world.

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Joseph Smarr
Joseph Smarr is Chief Platform Architect at Plaxo. He is currently leading Plaxo’s “Open Social Web” initiative to put users back in control of who they know when using socially-enabled sites by using open data-sharing standards. An active participant in the Web 2.0 community, Joseph has built web applications for many years, including Plaxo’s online address book, web widgets, and was architect and lead developer of the Plaxo 3.0 rich AJAX address book, calendar, and sync tool. Joseph has a BS and MS from Stanford University in Artificial Intelligence.

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Benjamin Smedberg
Benjamin Smedberg works for the Mozilla Corporation as the coordinator and lead developer of the Mozilla XULRunner project. He is the module owner of Mozilla's embedding and build system modules. In a previous life, Smedberg was a professional choir director and organist.

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Mitchell Smith
Mitchell Smith is the chief software architect at Array BioPharm, Inc., a pharmaceutical company. He has twenty years of experience developing software solutions and has been using Python for five years. He is currently working on decision support and data mining solutions using Python and Java.

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Javier Soltero
Speaker biography coming soon.

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Michael Sparks
Michael Sparks is a senior R&D engineer at the BBC. His work involves researching and creating technologies capable of scaling the delivery of BBC content over the Internet. He's contributed on the Squid, Linux Virtual Server, and Python projects amongst others, and runs the BBC's Kamaelia open source project -- a sister project to the BBC's Dirac project. In his spare time he likes coding collaboration tools and technologies, and playing with code.

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Mark Spencer
Mark Spencer founded Linux Support Services in 1999 while still a computer engineering student at Auburn University. When faced with the high cost of buying a PBX, Spencer simply used his Linux PC and knowledge of C code to write his own. This was the beginning of the world-wide phenomenon known as Asterisk, the open source PBX, and caused Spencer to shift his business focus from Linux support to supporting Asterisk and opening up the telecom market.

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Robert Spier
Robert Spier is an engineer at Google, working on RT and other open source projects. In his spare time, he maintains the perl.org infrastructure and volunteers at a local dog rescue.

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Greg Stein

Greg Stein is an engineer at Google, working on their open source efforts.

Prior to that, Stein was a director of engineering at CollabNet where he managed the Subversion project and releases of their SourceCast product. He also worked at Microsoft as a development manager, in the Commerce Server and Site Server groups. Stein was a co-founder and the corporate technologist of eShop, one of the first electronic commerce software companies, before its acquisition by Microsoft.

In Stein's spare time, he works on many open source projects, such as Subversion, WebDAV, and Python. He also spends time with Apache projects and is the current chairman of the Apache Software Foundation.

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Robert Stephenson
Rob Stephenson is an e-learning architect, consultant, and biology professor. He founded the Harvey Project, an international collaboration to build free learning objects for physiology and OpenCourse.Org, a foundry for open courseware. Stephenson is community manager of the Global Education & Learning Community at java.net, a foundry for open source educational software and courseware.

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Ricardo Strusberg
Speaker biography coming soon.

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Kartik Subbarao
Kartik Subbarao is the global lead for HP's Open Source and Linux Profession, a community of practice for open source technologists throughout HP. He is also a senior IT architect in HP's IT organization, where he is responsible for architecting/engineering Core Infrastructure services.

Subbarao has long been an advocate for open source as a way of accomplishing breakthrough goals and transforming IT. Going back to the early 1990s, he has worked on a variety of open source projects, in roles such as project leader, invited developer, and integrator. Subbarao has a BSEE from Princeton University and an MSEE from Stanford University.

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Steve Suehring
Steve Suehring is a technology consultant specializing in Linux and open source integration and security. Suehring has written several books and magazine articles on a wide range of technologies. During his tenure as an editor at LinuxWorld Magazine, Suehring wrote and edited articles and reviews on Linux security and advocacy including a feature story on the use of Linux in Formula One auto racing.

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Sean Sullivan
Sean Sullivan is a senior software engineer specializing in supply chain management applications. He is an Apache Jakarta developer and has taken the lead role in the OpenAMF project, and was the top contributor to Sun's Javapedia wiki in 2005. Sullivan is the author of Programming with the Java Media Framework and his articles have been published by O'Reilly and IBM.

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Robert Sutor
Dr. Bob Sutor is the Vice President of Standards for the IBM Corporation. In this role he has the responsibility for driving and executing the cross-company business and technical strategy for open standards and open source as they relate to software, hardware, services, vertical industries, and emerging markets. Previously, Sutor was Director of WebSphere Product and Market Management. This included ownership of the WebSphere Application Server, WebSphere MQ, and the WebSphere Business Integration product lines, as well as web services and Service Oriented Architecture.

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Bret Taylor
Bret Taylor is an Entrepreneur in Residence at Benchmark Capital, where he is in the process of starting a company with his long time friend Jim Norris. Before joining Benchmark, Bret was at Google for four years, where he launched Google Maps, Google Local, the Google Maps API, and founded Google's Developer product group. Bret has a MS and BS in Computer Science from Stanford University.

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David Temkin
David Temkin is the chief technology officer of Laszlo Systems. In this role, he has positioned the company to become the next technology standard for rich internet applications. Under his direction, Laszlo developed its patent-pending open-source product suite and extended operations to both coasts of the United States. Before founding Laszlo, Temkin was senior director of Engineering at Excite@Home where he led a team of 55 engineers, designers, and technical writers responsible for developing the company's consumer software. Prior to Excite@Home, Temkin was an engineering manager in the Newton division at Apple Computer and developed enterprise software at EDS. He graduated from Brown University with a double major in computer science and history, and is named on four software patents.

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John Terpstra
John Terpstra works with the digital media group inside AMD. His works with key AMD customers and partners to expand the AMD LIVE! project into the consumer electronics market. John is well known in the open source software community as the author of Samba documentation, and for his work with standards bodies to gain wider acceptance in large business and in government markets. John joined AMD in January 2006 and is based out of the Austin, Texas, campus.

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Lars Thalmann
Dr. Lars Thalmann is the technical lead of replication and backup technology at MySQL. He is leading the design and development of MySQL Backup and the second generation of MySQL Replication with features like cluster replication, row-based replication, conflict handling, and multisource. Dr. Thalmann has also worked with clustering technology for many years and is one of the developers of NDB Cluster, the storage engine used in MySQL Cluster.

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Tristan Thiede
Tristan Thiede is an undergraduate student at the University of Iowa. He currently works as an assistant in electronic voting research under Dr. Douglas W. Jones.

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Dave Thomas
Dave Thomas has been writing software since the mid '70s, and hopes one day to get it right. In the meantime he and Andy Hunt run The Pragmatic Programmers, a consultancy that helps folks develop better software. Hunt and Thomas have co-authored The Pragmatic Programmer and Programming Ruby, and speak at conferences and give tutorials around the world.

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Laura Thomson
Laura Thomson is a Principal at OmniTI, a consultancy specializing in scalable internet systems design and development. Laura came to OmniTI from Australia, bringing more than ten years experience in web development, IT consulting, and research. She is the co-author of the best-selling "PHP and MySQL Web Development" (Sams Publishing) and "MySQL Tutorial" (MySQL Press), and has spoken at many conferences worldwide.

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Michael Tiemann

Michael Tiemann is a true open source software pioneer. His first major open source contributions included ports of and enhancements to GCC and GDB as well as the original authorship of the GNU C++ compiler, the world's first native-code C++ compiler. In 1989, Michael's technical successes and entreprenurial spirit led him to co-found Cygnus Solutions, the first company to provide commercial support for open source software. During his ten years at Cygnus, Michael contributed in a number of roles from President to hacker, helping to lead the company from a fledgling start-up to an admired open source leader.

Michael is now Red Hat's Vice President of Open Source Affairs. In this role, Michael integrates and informs technology and open source strategies for Red Hat and its strategic partners and customers in the public and private sectors. In addition to his responsibilities at Red Hat, Michael serves on a number of boards, including the Open Source Initiative (where he is also President), the eclipse.org project, and the GNOME Foundation. Michael also provides support to organizations that further the goals of software freedom, including the Free Software Foundation and the Electronic Frontier Foundation.

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Adam Trachtenberg
Adam Trachtenberg is the senior manager of Platform Evangelism at eBay, where he preaches the gospel of the eBay platform to developers and businessmen around the globe. Before eBay, Trachtenberg co-founded and served as vice president for development at two companies, Student.Com and TVGrid.Com. At both firms, he led the front- and middle-end web site design and development. Trachtenberg began using PHP in 1997, and is the author of Upgrading to PHP 5 and coauthor of PHP Cookbook, both published by O'Reilly Media. He lives in San Francisco, California, and has a B.A. and M.B.A. from Columbia University.

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Robert Treat
Robert Treat works as a database architect at OmniTI and has been working with open source for almost a decade. A veteran industry speaker, Robert is co-author of the book Beginning PHP and PostgreSQL 8, maintains the phpPgAdmin software package, and has been recognized as a major contributor to the PostgreSQL project for his work over the years.

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Ben Trott
Ben Trott is co-founder and CTO of Six Apart, the leader in blogging software and services. Ben manages technical direction for the Six Apart team all over the world, having developed Movable Type with his co-founder and wife Mena G. Trott in 2001, led development of the TypePad hosted blogging service in 2003, and most recently spearheaded development of Six Apart’s new personal blogging service for friends and family, Vox. He lives in San Francisco with Mena and their dog Maddy.

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Adam Turoff
Adam Turoff is a longtime Perl programmer who has strived to learn a new programming language every year for the last six years. Recently, he has focused on Haskell and functional programming. He currently lives in the Washington, DC area with his wife.

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David Van Couvering
David Van Couvering has spent his engineering career crossing the bridge between databases and the middle tier world of application servers, Java and distributed systems. He was the original architect for the Sybase J2EE application server and for the first release of the clustered Sun Java Application Server Enterprise Edition. Currently he is involved in database technology at Sun, and is a committer on the Apache Derby open source database.

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Andrew van der Stock
Andrew van der Stock is a leading Australian web application researcher and is active in the web application community. He is the current lead of the OWASP Guide project, moderator of webappsec, and helps organize the Melbourne OWASP chapter.

van der Stock has presented at many conferences including BlackHat USA, Ruxcon, linux.conf.au, and AusCERT. He is also ex-President of SAGE-AU, the System Administrator’s Guild of Australia.

You can read more about OWASP, the Open Web Application Security Project at http://www.owasp.org/ and you can read more about van der Stock at http://www.greebo.net/.

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Guido van Rossum
Guido van Rossum is the creator of Python, one of the major programming languages on and off the web. The Python community refers to him as the BDFL (Benevolent Dictator For Life), a title straight from a Monty Python skit.

He moved from the Netherlands to the USA in 1995, where he met his wife. Until July 2003 they lived in the northern Virginia suburbs of Washington, DC with their son Orlijn, who was born in 2001. They then moved to Silicon Valley where Guido now works for Google (spending 50% of his time on Python!).

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Larry Wall
Speaker biography coming soon.

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Jo Walsh
Jo Walsh is an author and software developer from London, currently based in Cambridge Massachusetts. Her interests lie in the intersection of the semantic web, spatial modelling, community wireless, public transport, and bots. She is a co-author of O'Reilly's "Mapping Hacks" and is currently a board member of the Open Source Geospatial Foundation.

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Tony Wasserman
Anthony I. (Tony) Wasserman is a Professor of Software Engineering Practice at Carnegie Mellon West and Executive Director of the Center for Open Source Investigation (COSI). Tony has a long history of working with open source software. As a Professor at University of California, San Francisco, he and his research team released their development tools under the BSD open source license in 1981.

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Jeff Waugh

By day, Jeff Waugh is a consultant with Waugh Partners. By night, he rides shotgun on the GNOME release juggernaut and plots the Open Source blogging explosion with Planet. Waugh is an active member of the Free Software community, holding positions such as Chairman of the Annodex Foundation (2006), Director of the GNOME Foundation Board (2003-2004, 2006), GNOME Release Manager (2001-2005), committee member (2000-2001) and president (2002-2003) of the Sydney Linux Users' Group, and member of the linux.conf.au 2001 and 2007 organising teams. He was one of the founding employees of Canonical, spending two and a half years engaged in Ubuntu business and community development. In 2005, Waugh won the Google/O'Reilly Open Source award for Best Evangelist. Jeff is a card-carrying member of Linux Australia, but does not say "mate".

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Paul Weinstein
With MySQL AB, Mr. Weinstein has worldwide responsibility for building and maintaining relationships with the company's wide range of technology and channel partners, as well as corporate development activity. Prior to joining MySQL, he served as VP for worldwide business development and alliances at Check Point Software, VP of business development and international operations for Zone Labs, and SVP sales and marketing at ThinkLink. In addition, Mr. Weinstein has also held senior management positions at Pacific Telesis, MCA/Universal, GTE/Verizon and previously worked as an investment banker specializing in mergers and acquisitions for Alex Brown & Sons.

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Luke Welling
Luke Welling is a Security Analyst at OmniTI. He has been using PHP for nearly ten years. PHP and MySQL Web Development, co-authored with Laura Thomson (Sams 2004), is the best selling open source programming book of all time. He is a regular speaker at open source conferences around the world.

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Christian Wenz
Christian Wenz works as a writer, trainer, and consultant with focus on web technologies. He is author or co-author of approximately three dozen books and speaks at conferences around the globe. On rainy days, he does small contributions to several open source projects; among other things, he is co-maintainer of the PEAR::UDDI package.

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David Wheeler
David E. Wheeler enjoys hacking on Stikkit, contributing articles about the PostgreSQL RDBMS for O'ReillyNet, and dabbling with an advanced object-relational mapper he has been designing and implementing for several years. He also works hard to prevent his rather dry wit from causing confusion in others.

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Brad Whitaker
Brad Whitaker is Senior Software Engineer for LiveJournal, Six Apart's innovative social blogging community. Having been involved in a series of technology startups for the past 8 years and a core contributor to LiveJournal since its inception, Whitaker was instrumental in helping create key pieces of Web 2.0 architecture such as the MogileFS storage system and Memcached caching system.

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Ian Wilkes
Ian Wilkes leads the infrastructure team at Linden Lab, providing a stable foundation for the continued growth of Second Life. Prior to joining Linden, Wilkes surfed the .com wave as a technical lead at Zengine, Inc. Previous experience includes development positions at the Department of Energy's experimental supercomputing division, and at Hot-B USA.

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Adam Wolff
Adam Wolff is the chief software architect at Laszlo Systems, where he oversees the technical development of Laszlo’s full range of products, including the OpenLaszlo application platform and Laszlo Mail Web mail service. Prior to Laszlo, Wolff had extensive experience delivering cutting-edge user interfaces, from game design on the groundbreaking Rocket Science Game called "Obsidian" to interactive TV product design for Microsoft’s WebTV Division.

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Susan Wu
Susan is a member and the former CMO of the Apache Software Foundation. Susan's roots in the open source community stems from her long-abiding interest in how technology catalyzes social and economic change. She began her career as the chief architect of an early massively multiplayer online game and has remained active in online gaming. Susan has also served in executive management roles at two NASDAQ listed software and services companies. Susan is currently a venture capitalist at Charles River Ventures, where she focuses on consumer technology investments. She writes a blog at www.reality.org.

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Scott Yara
Prior to Greenplum, Scott served as vice president of Corporate Strategy for Digital Island, a publicly traded hosting and internet services company that was acquired by Cable & Wireless in 2001. Prior to Digital Island, Scott served as vice president of Marketing for Sandpiper Networks, an Internet content delivery services company that merged with Digital Island in 1999. At Sandpiper, Scott helped to create the industry's first content delivery network, a globally distributed computing infrastructure comprised of several thousand servers deployed in more than 50 countries worldwide, and used by many of the industry's largest Internet services including Microsoft and Disney.

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Nathan Yergler
Nathan Yergler is a software engineer for the Creative Commons. Yergler joined CC in July 2004 after pioneering the use of Python in the high school programming curriculum at Canterbury School. He lives in Fort Wayne, Indiana, and will receive a B.S. in computer science from IPFW in May, 2006.

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Geoffrey Young
Geoffrey Young is a member of the Apache Software Foundation and a frequent contributor to the mod_perl community. He currently works for Ticketmaster. When not programming or writing, he is busy spending time with his growing family, slowly rebuilding their house a room at a time.

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Raven Zachary
Speaker biography coming soon.

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Jeremy D. Zawodny
Jeremy has been with Yahoo! for over six and a half years. His Yahoo! career started with the high-traffic Yahoo! Finance site, where he worked to make MySQL part of the site's core infrastructure in large batch operations, as well as real-time feed processing and serving content directly on the site.

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Andrei Zmievski
Andrei Zmievski is Chief Architect at Outspark Inc, where he is working on a technology platform for publishing casual online RPG games. In the past he worked on internal tools at Yahoo! Inc., specializing in i18n and infrastructure software, such as PHP and Apache. He is also a core PHP developer, leader of the PHP-GTK project, and a co-author of "PHP Developer's Cookbook" and Smarty templating system. His current focus is the native Unicode support in PHP. In his free time he studies languages and linguistics, goes sailing, and travels to other countries.

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Jeff Zucker
Jeff Zucker has developed a dozen widely used free and open source software tools, has presented talks at the European and American Open Source Conventions and at the International Congress on Distance Education. He worked for eight years developing free/open solutions for UNICEF (including development of their first website); led a team evaluating UNESCO's WebWorld project; has worked for four branches of the UN and a dozen international NGOs. He has been involved in a variety of social action projects (most using free/open software) covering such issues as public health, adult literacy, under-employment, support for community-based organizations, multi-cultural education and the rights of Native American (indigenous) peoples. Jeff is the author of five published books and numerous articles and is currently working as Chief Technical Officer of Virtual Production Services LLC, a company specializing in providing software support for international development and human rights issues.

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