Chris is CTO and Founding Engineer of Reddit. Though a software engineer by vocation, his first attempt at a career started with his finishing a PhD in experimental physics at Harvard where he learned about the importance of modeling, critical thinking, statistics, and (honestly) welding. He uses the first three skills regularly. The final years of his PhD were concurrent with him breaking into startups and getting accepted to the first YCombinator class, where he subsequently met Steve and Alexis and became Reddit’s first employee five months into the company. After five years at Reddit, he left with Steve to work on Hipmunk as Chief Scientist. He’s been back at Reddit for since 2016 and has just transition to CTO in 2017.