Bio

John began his career at D.E. Shaw & Co, where he rose to Managing Director. While at D. E. Shaw, he directed the firm’s Japanese equity and equity-linked investments and supervised the firm’s London investment management affiliate. Following D.E. Shaw and before starting Two Sigma, John spent two years at Amazon.com, first serving as Vice President and technical assistant to Amazon.com founder Jeff Bezos. He went on to lead customer relationship management at Amazon.com, directing Amazon’s renowned personalization, community, and targeted marketing features and technology. He also led critical efforts to make Amazon’s customer technology more scalable. A lifelong math enthusiast, John won a silver medal for the United States in the 27th International Mathematics Olympiad. He earned a B.S. in Mathematics (with distinction) and a M.S. in Statistics from Stanford University. In 2017, John was honored by the Academy of Achievement for being a pioneer in technology and investment management.