Derek LeRoith MD, PhD

Director of Research in the Division of Endocrinology, Diabetes and Bone Diseases
Mount Sinai School of Medicine

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Derek LeRoith, M.D., Ph.D., is currently the Director of Research in the Division of Endocrinology, Diabetes and Bone Diseases at Mount Sinai School of Medicine in New York.

Dr. LeRoith has worked at the National Institutes of Health (NIH) since 1979 in the field of endocrinology and diabetes.  He was then promoted to Diabetes Branch Chief at the NIH in Bethesda, MD, a position he held until 2005. From 2005 to 2010, he was Director of the Division of Endocrinology and Director of the Metabolism Institute at Mount Sinai School of Medicine.

Dr. LeRoith’s main interests have focused on the role of insulin and the insulin-like growth factors in normal physiology and disease states, including obesity, type 2 diabetes and cancer. He has utilized genetic manipulation of mouse genes to create mouse models of type 2 diabetes to study metabolism, complications and therapies.

More recently, Dr. LeRoith has been studying the mechanisms involved in the increased risk for and poor outcomes of cancer in obesity and diabetes. Dr. LeRoith has published over 600 original research and review articles on these topics, and edited textbooks in the field, including a textbook on diabetes, that is currently in its third edition.

Dr. LeRoith is also editor-in-chief of two journals, Growth Hormone and IGF Research and Endocrinology Clinics of North America, and associate editor of Diabetes Care and Hormone Metabolic Research.