David Heinemeier Hansson

I write regularly on HEY World and welcome emails to [email protected]. You can also find me on Twitter and on LinkedIn. Creator of Ruby on Rails Hundreds of thousands of programmers around the world have built amazing applications using Ruby on Rails. The open-source web framework that I created in 2003. Some of the more famous include Github, Shopify, Airbnb, Square, Twitch, and Zendesk.