C. Ronald Kahn, MD is the preeminent investigator of insulin signal transduction and mechanisms of altered signaling in disease. He was President and Director of the Joslin Diabetes Center. Prior to his role as President and Director, he served as the Center’s research director. He was also the Mary K. Iacocca Professor of Medicine at Harvard Medical School. 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. Among his accolades, Dr. Kahn received the highest scientific awards of the American Diabetes Association, Juvenile Diabetes Foundation, European Association for the Study of Diabetes, British Endocrine Society, International Diabetes Federation, and Endocrine Society. In 1999, Dr. Kahn was elected to membership in the National Academy of Sciences and the Institute of Medicine. He received his education at the University of Louisville.