Dr. Joseph D. Tucker, MD, PhD, AM is an infectious diseases physician with a special interest in using crowdsourcing to improve health. He is an Associate Professor of Medicine at UNC Chapel Hill and at the London School of Hygiene and Tropical Medicine. His team’s ongoing research investigates crowdsourcing to promote HIV testing, the social science and ethics of curing HIV, and evaluation of behavioral economics interventions to enhance HIV services. His New England Journal of Medicine article on the social roots of syphilis in China helped catalyze policy change and spurred the development of a national 10 year plan to control syphilis. He is the Chairman of the Steering Committee of Social Entrepreneurship to Spur Health (SESH), a group focused on using crowdsourcing to improve health. He helped to organize the HepTestContest soliciting innovative HBV and HCV testing models. He is a member of the Royal Institute of International Affairs. He has contributed to several World Health Organization guidelines. Joe received his BA from Swarthmore, MD from UNC, AM (RSEA) from Harvard, and PhD from the London School of Hygiene and Tropical Medicine.