C. Ronald Kahn, M.D. is a preeminent investigator of insulin signal transduction and mechanisms of altered signaling in disease. He received his education at the University of Louisville. After training in internal medicine at Washington University, he moved to the National Institutes of Health where he rose to Head of the Section on Cellular and Molecular Physiology of NIDDK.  In 1981, he became Research Director of the Joslin Diabetes Center and in 1986 the Mary K. Iacocca Professor of Medicine at Harvard Medical School. From 2000-2007, he served as President of the Joslin Diabetes Center. Dr. Kahn has received the numerous scientific awards, including those of the American Diabetes Association, Juvenile Diabetes Foundation, European Association for the Study of Diabetes, British Endocrine Society, International Diabetes Federation, and Endocrine Society, and is an elected member of the National Academy of Sciences and the Institute of Medicine.