MD, Harvard Medical School; PhD, Biological Engineering Division, MIT. Partner, Flagship Ventures, investing in and founding early-stage life science and sustainability ventures. Founder, Flagship portfolio companies LS9, Joule Unlimited, Theracrine, Eleven Biotherapeutics, Essentient, Seres Health, among others. Has served as CEO of Joule, Essentient and Theracrine. Recipient of numerous awards and honours including: 2005 Lemelson-MIT Prize for invention and innovation; named 2007 Technology Review Innovator of the Year.