Stef Walter
![Photo of Stef Walter](/2018/schedule/speaker/stef_walter/c43a3507959bee76ec7d0502f121e59647ed95dd896d0f75eacb227f8bcdf033.png)
Stef is an avid open source hacker. He's contributed to over a hundred open source projects, and can be found preaching about continuous integration and working on the Cockpit Linux admin interface. He's a usability freak. Stef lives in Germany, and works at Red Hat.