O'Reilly European Open Source Convention - October 17-20, 2005 - Amsterdam, The Netherlands
 Convention Coverage

Speakers

One of the best reasons to attend the O'Reilly European Open Source Convention is the unprecedented gathering of top-notch presenters, leaders, and experts. Core developers, unique users, and visionaries share their knowledge with you to help you solve your computing or programming challenges. You won't find a gathering like this at any other conference.

Below is a sample of some of the speakers at EuroOSCON.


. Abigail
Abigail has been programming in Perl for more than a decade.

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Dion Almaer
Speaker biography coming soon.

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Kaj Arnö
Kaj Arnö is VP Community at MySQL AB. He promotes the 3 Ps of the MySQL Community: Popularity, Participation and Pioneering -- connecting the external and internal MySQL developers with each other. Kaj believes there are internal connections between his favourite topics which include arranging meetings in a virtual organisation, coping with timezones, managing cross-cultural teams and singing drinking songs (a practice of his native Finland that he is promoting with varied success in Munich, Germany where he's currently living).

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David Axmark
David Axmark is one of the founders of MySQL AB and has been working with MySQL since before it had a name. His involvement with MySQL began with the idea to make an open source SQL RDBMS to replace an old terminal-based tool named UNIREG.

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Dirk Baeumer
Dirk Bäumer leads the Eclipse JDT/UI component and is a member of the Eclipse architecture team. He has been a committer on the Eclipse project since it began, working as a senior developer on JFace, the generic workbench and the Java development tooling. His interests are in the areas of user interfaces, source code transformation (refactoring in particular), development environments and object oriented software architectures. Before joining IBM OTI Labs Dirk was working on SNiFF+ an award winning development environment for C/C++ and other programming languages.

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Joachim Bengtsson
Joachim Bengtsson is currently at Blekinge Institute Of Technology, Sweden, studying Game Programming. He is involved in the open source project Lua Player, a script 'player' written with homebrew tools for the Sony PSP.

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Sebastian Bergmann
Sebastian Bergmann was born in 1978, lives in Siegburg, Germany, and studies Computer Science at the University of Bonn. He spends his free time with the development of free software, is a member of the PHP and Gentoo Linux development teams, and author of a variety of PHP software projects like PHPUnit and phpOpenTracker. He writes for both print and online media and is a frequent speaker at conferences.

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Geert Bevin
Geert Bevin is the CEO of Uwyn, a small custom application development company with a strong focus on web applications, open source, Java, and rich internet technologies. He is the founder of the RIFE project which provides a full-stack Java web application framework for quickly building maintainable applications with sustainable developer productivity. He also started or contributed to projects like Bla-bla List, OpenLaszlo, Drone, Bamboo, Elephant, RelativeLayers, and Gentoo Linux.

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Jos Boumans
Jos Boumans is an active Perl developer, counting over two dozen contributions to CPAN, including Archive::Tar and CPANPLUS, and a regular speaker at Perl conferences. Boumans is a senior developer at XS4ALL, a large dutch ISP, where, besides programming, he spends his time on QA, development techniques, and training.

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Leon Brocard
Leon Brocard (a.k.a. acme) is an orange-loving Perl/Parrot Eurohacker with many varied contributions to the Perl community, including the GraphViz module on the CPAN. YAPC::Europe was all his fault. He is still looking for a Perl Monger group he can start which begins with the letter 'D.'

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Gregory Burd
Gregory Burd is the Product Manager for Sleepycat Software. Prior to Sleepycat, Gregory was on the business team at KnowNow, a Kleiner Perkins startup in the San Francisco Bay Area. He has years of software development and product leadership within companies such as JavaSoft, a division of Sun Microsystems, Marble Associates, a consulting company, and NeXT Computer, now part of Apple Computer.

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Joel Burton
Joel Burton is an active member of the Plone development community and serves as chair of the board of the nonprofit Plone Foundation. He leads the open source development division of CIGNEX Technologies.

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Frank Buss
Frank Buss is a programmer and CEO of IT4 Systems and most of the time he's developing commercial Java programs. In his spare time he has started the Lua Player project

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Jim Callahan
Jim Callaghan joined Computer Associates plc in 1995 with the acquisition of Legent Corporation. At this time, he continued his role as a software consultant working specifically with databases and application development tools. Jim moved into Product Marketing in 1997 and has held several positions connected with Ingres and related technologies. In his current role, he is responsible for product management of the Ingres database family of products including Ingres r3 which has recently been released into the open source community. Jim is a regular speaker at a variety of client gatherings, industry events and conferences.

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Luis Casas Luengo
Speaker biography coming soon.

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Jose Castro
Jose Castro works in Lisbon, Portugal, as a Perl consultant. In his spare time, he codes more Perl, tries dinamizing a couple of pm groups in Portugal and, along with his roommate, tries convincing himself that getting up at 7:00 to go jogging is a great idea. Some of these things are easier than others. He's just been through the wonderful experience of organizing YAPC::EU::2005.

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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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Alan Cox
Alan Cox has been working on Linux since 1992. He was one of the original authors of both networking and multi-processor support for the Linux kernel. Cox was the original CERT security contact for Linux and continues to this day to be involved in the vendor-sec Linux security work for Red Hat as well as in security and IP policy through FIPR.

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Aaron Crane
Aaron Crane has been using Apache to deploy and maintain web sites since 1995. For several years he was based in Leeds, working as a trainer, consultant, and software developer. He has now settled in Edinburgh, where he is technical overlord for The Register, the UK's leading IT news site.

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Marcel den Hartog
Marcel den Hartog is responsible for the success of CA’s Linux strategy in EMEA. In that role, Marcel frequently meets CA clients and prospects, talks to the press and Industry Analysts across Europe, Middle East and Africa. Marcel is also responsible for briefing CA’s product marketing and development people about specific requirements in these markets.

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Frederic Descamps
Frederic Descamps is a Linux and open source consultant for X-Tend in Belgium. He has been active in the open source community for a couple of years both during his job and in his spare time. He is a contributor to different open source projects such as OpenBiblio and openCRM. Descamps also teaches different open source releated courses for ISIPS.be.

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Cory Doctorow
Cory Doctorow (craphound.com) is a science fiction novelist, blogger and technology activist. He is the co-editor of the popular weblog Boing Boing (boingboing.net), and a contributor to Wired, Popular Science, Make, the New York Times, and many other newspapers, magazines and websites. He was formerly Director of European Affairs for the Electronic Frontier Foundation (eff.org), a non-profit civil liberties group that defends freedom in technology law, policy, standards and treaties. Presently, he serves as the Fulbright Chair at the Annenberg Center for Public Diplomacy at the University of Southern California.

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Rael Dornfest
Rael Dornfest is Founder and CEO of Portland, Oregon-based Values of n. Rael leads the Values of n charge with passion, unearthly creativity, and a repertoire of puns and jokes — some of which are actually good. Prior to founding Values of n, he was O'Reilly's Chief Technical Officer, program chair for the O'Reilly Emerging Technology Conference, series editor of the bestselling Hacks book series, and instigator of O'Reilly's Rough Cuts early access program. He built Meerkat, the first web-based feed aggregator, was champion and co-author of the RSS 1.0 specification, and has written and contributed to six O'Reilly books. Rael's programmatic pride and joy is the nimble, open source blogging application Blosxom, the principles of which you'll find in the Values of n philosophy and embodied in Stikkit: Little yellow notes that think.

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Paul Everitt
Paul Everitt is the founder of Zope Europe Association, a non-profit business partner network. He is a board member of OSCOM, the executive director of the Plone Foundation, and a co-founder of the Zope Corporation. Everitt also serves as the president of Zope UK.

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Martijn Faassen
Martijn Faassen is an experienced Python and Zope hacker. He is co-founder of Infrae, an open source software development company. Infrae's flagship product is Silva, an open source CMS focusing on structured content. Recently Faassen created Five, integrating Zope 3 technology into Zope 2, and lxml, an alternative, Pythonic library to interface with the powerful libxml2/libxslt libraries.

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Fran Fabrizio
Fran Fabrizio is a senior systems administrator for the Department of Computer and Information Sciences at the University of Alabama at Birmingham. He uses open source software to support a network of Linux, Solaris, and Windows clients, and to meet the department's needs within the limits of a public university budget.

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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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Ben Galbraith
Ben Galbraith is a frequent speaker, independent consultant, conference producer, and author of several books. He is an experienced CEO, CTO, and Software Architect, and is presently involved in a number of business ventures. Ben wrote his first computer program when he was six years old, started his first business at ten, and entered the IT workforce just after turning twelve. He has delivered hundreds of technical presentations world-wide; he was the top-rated speaker at JavaOne 2006, making him a "rock star" in that community according to Sun Microsystems. However, he doesn't yet have any groupies to show for the accomplishment.

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Ben Goodger

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Julio Guijarro
Julio Guijarro is a senior researcher in the Application Systems Department at HP Labs Bristol. Guijarro is one of the SmartFrog architects and leads the open source effort. His research interests include configuration, management, and security of distributed systems.

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Magnus Hagander
Magnus Hagander is one of the primary developers of the Win32 port of PostgreSQL as well as a lead developer on the Win32 installer. He also helps out with the systems that run www.postgresql.org.

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Erik Hatcher
Erik Hatcher co-authored Lucene in Action and Java Development with Ant. He has spoken at numerous conference and symposiums worldwide, including OSCON and EuroOSCON. Most recently he has been integrating the blinding speed of Lucene (via Solr) with the simplicity of Ruby on Rails to build Collex, a folksonomy grounded scholarly tool.

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Axel Hecht
A member of Mozilla Europe's board of directors, Axel Hecht started contributing to Mozilla in 1999, working on XSLT. He has been the module owner of RDF since 2004, steering the development of this backend component towards standards compliance, performance, and applicability to web applications. His focus is in developing Mozilla as a platform for web applications as well as lightweight, cross-platform, and localizable applications on the client. Hecht also started the European annual developer meetings in 2000 and has been a central figure in the European developer community ever since. Recently, he participated in bringing localizations of Firefox into the primary source repository, integrating platform and application development communities with the localization communities around the world. Hecht received a degree in physics from the University of Stuttgart and a doctorate in mathematics from the University of Kiel. He is now with the Department of Applied Mathematics at Humboldt University in Berlin.

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Marc Hedlund
Marc Hedlund is Chief Product Officer at Wesabe, a personal finance startup. (He blogs at "Wheaties for Your Wallet": http://www.wesabe.com/blog/.) Before starting Wesabe, Marc was an entrepreneur-in-residence at O'Reilly Media. Prior to that, he was VP of Engineering at Sana Security; co-founder and CEO of Popular Power, a distributed computing startup; and founder and general manager of Lucas Online, the internet subsidiary of Lucasfilm, Ltd. During his early career, Marc was Director of Engineering at Organic Online, and was CTO at Webstorm, where he wrote one of the Internet's first shopping cart applications in 1994. He is a graduate of Reed College.

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David Heinemeier Hansson
David Heinemeier Hansson is a programmer and evangelist of Less Software. He's the creator of applications like Instiki, Basecamp, and Ta-da, and works with the open source community and design extraordinaires 37signals. Since its release in late July 2004, he's also been leading the development of Ruby on Rails, a web application framework and environment for building real-world applications with joy and less code than most frameworks spend doing XML sit-ups.

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Ross Heritage
Ross Heritage has worked for BBC News for five years. In that time, he has been the lead developer on many projects, including the BBC News and World Service site search systems, and edition selection Apache modules. More recently, he has been part of the Live Site systems administration team, looking at improving web serving architecture as a whole.

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Jutta Horstmann
Jutta Horstmann is an IT consultant, database developer, and UNIX/Linux administrator. In 2005 she finished her computer sciences studies with a diploma thesis on "Migrating To Open Source Databases." In 2003 she was co-author of relevantive's Linux Usability Report. One year later she launched their OpenUsability.org platform.

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Bert Hubert
Bert Hubert is a long time contributor to the Linux and Open Source communities. His main interest these days is PowerDNS. Bert does technology consulting through Netherlabs Computer Consulting.

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Bernt Marius Johnsen
Bernt M. Johnsen is technical lead on Apache Derby at Sun's Database Technology Group in Trondheim, Norway. He has 5 years database experience (database management, JDBC drivers, distributed SQL execution). Prior work includes internet banking, compilers and expert systems.

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Chia-liang Kao
Chia-liang Kao used to live in the mountains in Taiwan and travels around the world to motivate himself to write svk that allows working offline. He now lives in London and works for Fotango.

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Chet Kapoor
Chet Kapoor is currently the VP of the Gluecode Software group at IBM, where he is responsible for driving IBM’s open source application server business. Mr. Kapoor was the CEO of Gluecode Software, which was recently acquired by IBM.

Prior to Gluecode, Mr. Kapoor was General Manager of the Integration Division at BEA Systems where he grew the business from $15M to $100M in 18 months. Mr. Kapoor was responsible for driving all aspects of BEA’s integration business including sales, marketing, product management, engineering and services.

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Martin King-Turner
Martin King-Turner is the open source project leader at the National Business to Business Centre in the UK. He draws on his 20+ years experience in both open source and proprietary IT to bring a pragmatic, real-world view to open source. King-Turner's focus is harnessing IT to provide cost-effective business solutions.

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Meindert Kuipers
Meindert Kuipers is project manager and has experience in managing projects with a mix of hard and software development for embedded applications. He has been working in the embedded industry for nearly 20 years. He has experience in developing software, hardware and FPGA code and is working on an open source hardware project that involves an FPGA.

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Jarkko Laine
Jarkko Laine is one of the earliest Rails evangelists in Europe, with more than two years of experience in teaching and giving talks about Rails. He wrote Beginning Ruby on Rails E-Commerce: From Novice to Professional together with Christian Hellsten and is the founder of the Finnish Rails user community. He currently works as a senior developer for dotherightthing.com, a site for rating and discussing the social performance of world's businesses. In his freetime, Jarkko runs through forests like a gnu and writes about anything he finds interesting on his weblog at jlaine.net.

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Matthew Langham
Matthew Langham is the technical director of the open source group at S&N AG, Paderborn, Germany. He has been working in the software industry for over 10 years and is focused on adapting emerging technologies for commercial use. Langham is the co-author of Cocoon: Building XML Applications, published by New Riders in August 2005.

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Ben Laurie
Ben Laurie is a director of the Apache Software Foundation, a core team member of OpenSSL, and director of security of The Bunker Secure Hosting. He has worked on many free software projects, particularly Apache httpd and OpenSSL. His current passion is cryptography, particularly for security and privacy. He also likes beer and fine wine.

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Paula Le Dieu
Paula Le Dieu is the director of Creative Commons International. With more than 70 countries currently in the process of establishing local language and jurisdictional versions of Creative Commons licences and Science Commons projects, Le Dieu's role is to ensure that the global creative and innovation domain grows and thrives.

Prior to joining Creative Commons, Le Dieu worked for the BBC in the role of project director for the Creative Archive. This is a public service initiative to provide the fuel for digital creativity by opening up access to, and allowing for, re-use of Britain's cultural heritage starting with the BBC's radio and television archive. Le Dieu remains involved with the BBC Creative Archive project as a special advisor and spokesperson.

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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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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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Adam Leventhal
Adam Leventhal is a Staff Engineer in Solaris Kernel Development. He is one of the three authors of DTrace for which Adam has received Sun's chairman's award for technical excellence in 2004, was named one of InfoWorld's Innovators of 2005, and won top honors from the 2006 Wall Street Journal's Innovation Awards. Adam has developed various debugging and post-mortem analysis facilities, and continues his work on user-land tracing to expand the breadth and depth of DTrace's view of the system. Adam joined the Sun after graduating cum laude from Brown University in 2001 with a degree in Math and Computer Science.

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Doug Levin
Prior to founding Black Duck, Doug Levin served as the CEO of MessageMachines (acquired by NMS Communications in 2002) and X-Collaboration Software Corporation (acquired by Progress Software in 2000). From 1995 to 1999, he worked as an interim executive or consultant to CMGI Direct, IBM/Lotus Development Corporation, Oracle Software Corporation, Solbright Software, Mosaic Telecommunications, Bright Tiger Technologies, Best!Software, and several other software companies. From 1987 to 1995, Levin held various senior management positions with Microsoft Corporation including heading up worldwide licensing for corporate purchases of non-OEM Microsoft software products.

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Steve Loughran
Steve Loughran is a researcher at HP Laboratories, exploring the challenges of large-scale system deployment. In his spare time, he is a committer on the Apache Ant and Axis projects. The co-author of the award-winning book, Java Development with Ant (Manning Press, 2002), he is currently writing the second edition.

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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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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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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 Matusow
Jason Matusow is the Director of the Shared Source Initiative for Microsoft Corporation. He is responsible for the business strategy and implementation of Microsoft’s global source licensing initiative. Under his direction, Shared Source has grown to cover a broad spectrum of Microsoft technologies reaching more than 1.5 million participants around the world. Matusow continues to work closely with the core Microsoft product teams to determine the optimal collaborative development and community strategy for their intellectual property assets.

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Michel-Marie Maudet
Michel-Marie MAUDET is Deputy Director and co-founder of LINAGORA. Michel-Marie's responsibilities include the managing of projects committed to LINAGORA, taking charge of organizing and coordinating all the technical activities. Thanks to his expertise and knowledge of the Open Source market in France, and because of his active commitment to promoting Open Source tools and methods, Michel-Marie is a perfect pre-sales interface for any Open Source-based industrial project.

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Bob McWhirter
As founder of OpenXource, Bob McWhirter helps companies harness the practices and principals of open source communities for commercial advantage. McWhirter founded the Codehaus in early 2003.

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Bruce Momjian
Bruce Momjian is a co-founder of the PostgreSQL Global Development Group, and has worked on PostgreSQL since 1996. He is the author of PostgreSQL: Introduction and Concepts, published by Addison-Wesley. Momjian is employed by Software Research Associates (SRA) in their PostgreSQL support division. Previously, he was vice president of Database Development at Great Bridge LLC, another PostgreSQL support company. He has spoken at many international open source conferences.

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Károly Négyesi
Károly Négyesi's life revolves around Drupal. When not busy tuning the core or adding modules, he provides support and consulting services. He has introduced major improvements to access control, the block system, the database layer, the theme system... Drupal code just flies from his hands. Négyesi comes from Budapest, Hungary where he formerly used his talent to run an SEO agency together with a friend. His professional background includes journalism with numerous articles published in Chip, a leading Hungarian computer monthly.

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John Newton
John Newton, CTO and Chairman of Alfresco.org, has had one of the longest and most influential careers in content management. In 1990, John co-founded, designed and led the development of Documentum, the leader in content management recently acquired by EMC. For the next ten years, he invented many of the concepts widely used in the industry today.

In addition, he built Documentum's marketing and professional services organizations in Europe. John has also been an Entrepreneur-in-Residence at Benchmark Capital. John was one of the founding engineers at Ingres where he helped develop the world's first commercial relational database. John graduated with a BS in Electrical Engineering and Computer Science from the University of California at Berkeley.

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Nikolaj Nyholm
Nikolaj Nyholm is co-founder and CEO of mobile social software startup Imity. He is a serial entrepreneur with two successful and one miserable startup on his conscience.

Nyholm is also O'Reilly's European Conference Program Chair, co-chairing conferences EuroOSCON and CustomerMade. He furthermore co-produces the annual Danish technology/culture conference reboot.dk. Born in New Delhi, Nyholm today lives in Copenhagen.

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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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Marty Pauley
Marty Pauley is a Hacker and GNU Guerilla at Kasei. He was a fanatical free software user before people started calling it "open source."

He has been working as a programmer and consultant for over a decade, using C, Perl, and GNU/Linux to build database and network systems.

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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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John Robb
John oversees the product and business direction at Zimbra. Previously, John was the director of messaging products at Openwave Systems. John managed the business and product strategy for the mobile messaging group, which included the multimedia messaging, voice mail and instant messaging product lines. Prior to Openwave, John held director-level roles at Mspect (acquired by Telephia) and Cellmania where he was responsible for leading the teams that defined product strategy and go to market planning. John has a master of business administration degree from Chicago GSB, as well as a Bachelor of Arts in political science and a Bachelor of Science in environmental engineering from Northwestern University.

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Donald Rosenberg
Donald Rosenberg wrote "Open Source: The Unauthorized White Papers" (Wiley), the first book on business and open source, now on the web at http://stromian.com/BookPage. His firm, Stromian Technologies, consults in the U.S. and overseas on software licensing and marketing. Rosenberg has given talks around the world on open source.

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Brian Sam-Bodden
Brian Sam-Bodden has spent over ten years working with object technologies, with an emphasis on the Java platform. He holds dual bachelor degrees from Ohio Wesleyan University in Computer Science and Physics and is the president and chief software architect for Integrallis Software, where he focuses on object modeling and Java, particularly J2EE, SWT/JFace applications. Sam-Bodden also co-authored the Apress Java title "Enterprise Java Development on a Budget: Leveraging Java Open Source Technologies." Aside from spending time with his wife and son, Sam-Bodden spends most of his time writing code or on the mat practicing Brazilian Jiu-jitsu.

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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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Shreeraj Shah
Shreeraj Shah is founder and director of Net-Square. He has five years of experience in the field of security, and co-authored Web Hacking: Attacks and Defense, published by Addison Wesley. He has published several advisories, tools, and white papers, and presented papers at conferences like HackInTheBox, RSA, Blackhat, Bellua, CII, and NASSCOM. In the area of web security he has worked with IBM, Chase Bank, and Foundstone.

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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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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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Bill Stoddard
Bill Stoddard is a Senior Software Engineer with IBM and manager of IBM's Apache HTTP Server development team. He is a member of the Apache Software Foundation and active contributor to the Apache HTTP Server project. Bill was the technical leader behind IBM's decision to drop development of its proprietary HTTP server in favor of adopting Apache.

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Murray Stokely
Murray Stokely is a core team member and release engineer of the FreeBSD Project. He was the primary release engineer for FreeBSD releases 4.4 through 4.9. Stokely has contributed to numerous books and articles about FreeBSD and release engineering practices. He is currently pursuing postgraduate research in Software Verification Systems at Oxford.

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Dain Sundstrom
Dain Sundstrom is an IBM Programmer and a recognized specialist in open source architecture, whose experience includes over 7 years in enterprise computing. Prior to joining IBM, Sundstrom was Chief Architect for Gluecode Software. Before Gluecode, Sundstrom held Senior Software Engineer positions with McKesson and United Health Care before becoming an independent consultant to open source development and working with companies such as McDonalds and MCI. A founding partner of Core Developers Network, he was also the Chief Architect for the JBoss/CMP project, subsequently rewriting it in its entirety and implementing the CMP 2.0 specification. Sundstrom earned his B.S. degree in Computer Science at the University of Minnesota, Institute of Technology.

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Autrijus Tang
Born in 1981 CE, Autrijus Tang is a self-educated i18n geek, net a(ctiv|narch|rt)ist, and serial entrepreneur. In his spare time from translating Free Software and related books to Chinese, Tang engages in open source and wearable computing advocacy.

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Omar Tazi
Omar Tazi is currently chief open source evangelist with Oracle where he is responsible for open source strategy and evangelism focusing on the areas of Middleware and Tools. Prior to joining Oracle, Tazi was the CEO of Orbeon where he implemented a successful business model based on services using open source software donated by Orbeon to the community.

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Erwin Tenhumberg
Erwin Tenhumberg is the product marketing manager for OpenOffice.org within the Client Systems Group at Sun Microsystems. Tenhumberg started working for Sun as a systems engineer doing pre-sales for various software and desktop products including the StarOffice office suite and the Sun Ray ultra-thin client. Before Tenhumberg joined Sun he worked for various companies doing Java consulting, software development, desktop application administration, and end user support.

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Marcus Thiesen
Marcus Thiesen is a free software addict and hooked on open source. Finishing his degree in Computer Science at the Bonn Rhein Sieg University of Applied Science he is looking for new challenges and interesting areas to work in. Spending much time around and in the Perl community he is trying to be productive while playing with new and amazing technologies. He is the author and maintainer of several Perl Modules, including Curses::UI and more recently Text::Compare. The rest of his free time he fills up with several small projects, including FIFFS, an RSS news feed agregator, and Megasus, a infobot replacement.

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Nathan Torkington
Nat Torkington lives and works in New Zealand where he consults on open source and startup strategies, writes for O'Reilly Radar, and co-chairs the Open Source Convention (OSCON).

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Phillip Torrone
Phillip Torrone is a New York City based author - he is currently the senior editor for MAKE Magazine and contributing editor to Popular Science. In his spare time he designs open source electronics and uses high powered laser beams.

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John Viega
John Viega is CTO of Secure Software, which provides process and static analysis technology to help development teams build secure applications. John's the co-author of "Building Secure Software," the "Secure Programming Cookbook," "Network Security with OpenSSL," and the forthcoming "19 Deadly Sins of Software Security." Viega is also the co-designer of the GCM and CWC authenticated encryption modes. NIST has declared their intent to standardize one of these two, and GCM is already in IPSec and the draft IEEE 802.1 LinkSec standard.

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Jouke Visser
Jouke Visser has been programming Perl since 1997. Originally he used Perl for web development, but soon he discovered that Perl could be used for much more than just that. Since 2001 he develops GUI applications for disabled people in Perl. The main project he works on is pVoice - an application for Augmentative and Alternative Communication.

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Johan Vromans
Johan Vromans has engaged in software engineering research since 1975. Convinced of the importance of a good programming environment, he became an expert in using GNU Emacs and the Perl programming language. Also he was instrumental in bringing the Internet to the Netherlands as a commercial activity. He's the author of the O'Reilly Perl Pocket Guide and owns his own consulting business called Squirrel Consultancy, that provides Perl trainings and Open Source consultancy. He can be reached at jvromans@squirrel.nl. Johan Vromans has engaged in software engineering research since 1975. Convinced of the importance of a good programming environment, he became an expert in using GNU Emacs and the Perl programming language. Also he was instrumental in bringing the Internet to the Netherlands as a commercial activity. He's the author of the O'Reilly Perl Pocket Guide and owns his own consulting business called Squirrel Consultancy, that provides Perl trainings and Open Source consultancy. He can be reached at jvromans@squirrel.nl.

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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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Alan Williamson
Alan Williamson is as much a veteran of the Java world as one can be with a language that is still very much finding its feet in the world. Williamson has more than 15 years experience in the world of software development, graduating with full honors in computer science from the University of Paisley. Williamson worked mainly in research and development roles until starting up the UK ’s first pure Java consultancy company five years ago, specializing in Java on the server side (n-ary (consultancy) ltd).

Williamson also worked his way up to the dizzy heights of editor-in-chief of the world ’s largest Java magazine, Java Developer's Journal, before going on to found LinuxWorld magazine. He has recently found working with SpikeSource, a company specializing in producing and certifying open source components.

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Rachel Willmer
Rachel Willmer is a self-employed consultant with 20 years experience of working in innovative startups, coming from an insatiable curiousity about disruptive technologies.

After a fascinating and frustrating 8 years as founder and CEO with the digital cash startup company Intertrader, Rachel has now returned to "hands-on" technology development world, and is thoroughly enjoying writing code again rather than business plans!

Recent projects include the OpenPGP SDK development; a new Low Value Payment System to be launched by a major UK High Street retailer; and the FreeBMD open genealogy initiative.

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Alexandre Zapolsky
Management graduate of the National Telecommunications Institute, Alexandre ZAPOLSKY is the founder and President General Director of Linagora. He participates in numerous seminars and conferences on issues concerning the economy of Free Software. Author of numerous articles on the subject, he is numbered among the Free Software market specialists. On the initiative of the Societies Using Freeware, he created the SS2L Association or ASS2L, in 2004, of which he is President.

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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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