Allen Chen

Allen Chen is the co-founder and CEO of Fitbod, the San Francisco strength-training app that uses machine learning to design a fresh, personalized workout every time you open it. A UCLA computer science grad and former Wall Street high-frequency trading strategist, Chen swapped optimizing stock portfolios for optimizing sets and reps, building an algorithm that picks exercises the way he once picked trades. Since launching in 2015 with co-founder Jesse Venticinque, Fitbod has grown to more than 300,000 paid subscribers while staying lean and profitable.