Chris Wanstrath (Developer Tools / Open Source) at GitHub — San Francisco, United States

Chris Wanstrath co-founded GitHub in 2008 with Tom Preston-Werner, PJ Hyett, and Scott Chacon. He served as CEO from 2014 through the $7.5 billion Microsoft acquisition in 2018. Known online as "defunkt," Wanstrath was an early contributor to Rails and other open-source projects and helped make GitHub synonymous with modern software development. Post-GitHub he has remained relatively private, focusing on personal creative projects.