Yahoo!Doug Cutting has worked on search technology for 20 years. This includes five years at Xerox PARC, three years at Apple, and over four years at Excite. In 1998 he wrote Lucene, an open-source search library which became an Apache project in 2001. In 2003 he founded Nutch, an open-source web search application, and in 2006 he started Hadoop, an open-source distributed-computing framework, both at Apache. Doug currently works for Yahoo!.