DHH (David Heinemeier Hansson) (Developer Tools / Open Source) at Basecamp — Marbella, Spain

DHH (David Heinemeier Hansson) created Ruby on Rails while working at Basecamp (37signals), launching it in 2004 as an open-source web framework that transformed web development productivity. Rails powered the early versions of GitHub, Airbnb, Shopify, and Twitter. As CTO and co-owner of Basecamp, he has championed programmer happiness, developer ergonomics, and opinionated software design. Also a professional racing driver who competed at Le Mans.