Severin Hacker
Person
Duolingo's co-founder and the reason the Duolingo owl is green; he hated the color. He was also a PhD student of Luis von Ahn and collaborated on the idea for Duolingo.
Mentioned in 2 videos
Videos Mentioning Severin Hacker

Luis von Ahn, Co-Founder of Duolingo — How to Be (Truly) Mission-Driven, 10x Growth, and More
Tim Ferriss
Duolingo's co-founder and the reason the Duolingo owl is green; he hated the color. He was also a PhD student of Luis von Ahn and collaborated on the idea for Duolingo.

Luis Von Ahn Interview (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
Luis von Ahn's co-founder at Duolingo, who was his PhD student at Carnegie Mellon. His last name is 'Hacker'.