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Lee M. Kaplan, MD, PhD

Obesity medicine specialist

Massachusetts General Hospital

Lee M. Kaplan, MD, PhD

Obesity medicine specialist

Massachusetts General Hospital

Dr. Lee Kaplan is director of the Obesity, Metabolism and Nutrition Institute, founding director of the Massachusetts General Hospital (MGH) Weight Center, and associate professor of medicine at Harvard Medical School. With clinical expertise in the areas of obesity medicine, gastroenterology and liver disease, Dr. Kaplan focuses his work on the causes and complications of obesity and the development of new and more effective strategies for preventing and treating obesity and related disorders.

Dr. Kaplan is the associate director of the NIH sponsored Nutrition and Obesity Research Center at Harvard and is director of the Blackburn Course in Obesity Medicine and the Obesity Medicine and Nutrition Fellowship Program at Harvard and MGH. He currently serves on the Advisory Council of the National Institute of Diabetes, Digestive and Kidney Diseases, the NIH Clinical Obesity Research Panel, the Scientific Advisory Board of the American Gastroenterological Association (AGA) Microbiome Institute, and scientific advisory committees for several foundations and corporations. He is a past chair of the AGA Obesity, Metabolism, and Nutrition section and a past chair of the Bariatric Surgery section of The Obesity Society.

The author of more than 200 peer-reviewed papers, Dr. Kaplan has published in the New England Journal of Medicine, Nature, Nature Medicine, Nature Genetics, Science Translational Medicine, and the Proceedings of the National Academy of Sciences.

Dr. Kaplan graduated from Harvard University and received his medical degree and PhD in molecular biology from the Albert Einstein College of Medicine in New York. He completed an internship and residency in internal medicine and a fellowship in gastroenterology at MGH and Harvard Medical School, as well as a fellowship in genetics at Brigham and Women's Hospital.