Keno Fischer is a German computer scientist known for being a core member implementing the Julia programming language in Windows. He is an alumnus of Harvard for both his BA and MA. He works at Julia Computing, which he co-founded with Julia co-creators, Alan Edelman, Jeff Bezanson, Stefan Karpinski, Viral B. Shah and Deepak Vinchhi. He received a B.A. in mathematics and physics from Harvard in 2016, and he completed a Master of Arts in Physics also from Harvard in 2016.