David is a partner with Jason Fried and Ryan Singer in 37signals, developers of the ultralight software applications Basecamp, Backpack, TaDaLists, Campfire. The original developer of a essential web 2.0 open source framework Ruby on Rails (RoR). First ever Google - OReilly Hacker of the Year (2005). Also developed the most popular RoR end user application - Instiki Wikis. BA/CS Copenhagen Business School.
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