David R. Challoner, M.D. is vice president emeritus for Health Affairs of the University of Florida. Dr. Challoner has held leadership and health policy positions in many national organizations including the Association of American Medical Colleges where he holds Distinguished Service membership, the American Medical Association where he served as chairman of the Section on Medical Schools, and the American Federation for Clinical Research where he served as President. From 1988-1990, he was appointed by President Reagan to chair the President's Committee on the National Medal of Science. He also served as chairman of the membership committee, as a member of the governing council of the Institute of Medicine and as a member of the governing board of the National Research Council. He received the 2010 Walsh McDermott Medal of the IOM for Distinguished Service. He chaired the IOMs Committee on the Public Health Effectiveness of the FDA 510K Clearance Process (2011).