David Heinemeier Hansson

David Heinemeier Hansson is a partner at 37signals, a privately-held Chicago-based company committed to building the best web-based tools possible with the least number of features necessary. 37signals' products include Basecamp, Highrise, Backpack, Campfire, Ta-da List, and Writeboard. 37signals' products do less than the competition -- intentionally. David is also the creator of the Ruby on Rails programming framework that powers all the products at 37signals as well as Twitter, Hulu, Yellow Pages, and thousands of other major web applications.