Abraham Heifets is cofounder and CEO of Atomwise. He was a Massey Fellow at the University of Toronto and the Ontario Brain Institute, where his doctoral work used machine learning to plan organic syntheses, a long-standing challenge in chemistry. Previously, Abraham researched compilers for high-performance data processing at IBM's T.J. Watson Research Center and helped build the AI system of the world-champion robotic soccer team at Cornell University. He was Time's Person of the Year in 2006.