Jeffrey J. Segal, MD, JD, was a neurosurgeon in private practice before beginning the second phase of his career as a serial entrepreneur in the health care field. He then founded or co-founded four separate health care startups. He lives and breathes health care and understands it viscerally. Dr. Segal founded Medical Justice, which touched on so many medico-legal issues, and also runs eMerit, which helps doctors control their online reputation through patient feedback.