(Advisory Board Member) Internationally known for his research in Diabetes, Derek LeRoith, MD, PhD, is Professor of Medicine (Endocrinology, Diabetes and Bone Diseases) and Interim Chief of the Hilda & J. Lester Gabrilove Division of Endocrinology, Diabetes and Bones Diseases. Dr. LeRoith received his MD and PhD from the University of Capetown where he also completed his residency and both a research and clinical fellowship in Endocrinology. Prior to joining the faculty of the Icahn School of Medicine at Mount Sinai in 2005, Dr. LeRoith was Chief of the Diabetes Branch at the National Institutes of Health's National Institute of Diabetes and Digestive and Kidney Diseases. This is the largest program devoted to the study of diabetes within the intramural program of the NIH. He was recruited to Mount Sinai to become the Chief of the Endocrine Division at Mount Sinai as well as the Director of the Metabolism Institute. In 2010 he became the Director of Research for the Division of Endocrinology before returning to his duties as chief in 2015.