My name is Frederick Kellison-Linn (Freddy).

I’m currently located in New York, NY.

I work at Duolingo on the Duolingo iOS app. Our goal is to develop the best education in the world and make it universally avilable.

I’m a member of the Swift Language Workgroup and a contributor to the Swift compiler. I wrote and implemented SE-0269, SE-0287, and SE-0315.

Send me an email if you want to connect!