Steve Gullans, Ph.D., is a biotech investor, scientist, entrepreneur, and author. He is currently Managing Director at Excel Venture Management where he invests in young life science companies with transformative technologies. He loves innovation and has spoken widely, including at TED, TEDMED, and TEDx. Previously he was a professor at Harvard Medical School where he published more than 130 scientific papers and was elected Fellow of the American Association for the Advancement of Science.