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Creator of Ruby on Rails — the framework that built Shopify, GitHub, Airbnb, and Twitch — DHH also co-built 37signals into a profitable, VC-free software company for over two decades while winning at Le Mans and writing bestselling books that challenged startup orthodoxy.
David Heinemeier Hansson (DHH) is the Co-Owner and CTO of 37signals, the company behind Basecamp and HEY, and the creator of Ruby on Rails, the web application framework used to build Shopify, GitHub, Airbnb, and thousands of other major applications.
Born in Denmark, DHH is also a bestselling author of Rework, Remote, and It Doesn't Have to Be Crazy at Work, and a Le Mans class-winning race car driver.
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