Samuel Klein is the William H. Danforth Professor of Medicine, Director of the Center for Human Nutrition, Director of the Center for Applied Research Sciences, and Chief of the Division of Geriatrics and Nutritional Sciences at Washington University School of Medicine in St. Louis. He is also the Chief Scientific Officer of Sansum Diabetes Research Institute.

Dr. Klein received an MD degree from Temple University Medical School, and an MS Degree in Nutritional Biochemistry and Metabolism from the Massachusetts Institute of Technology. He completed residency training in Internal Medicine and a Clinical Nutrition fellowship at Boston University Hospital, a Nutrition and Metabolism Research fellowship at Harvard Medical School, and a Gastroenterology fellowship at The Mt. Sinai Medical Center in New York.

Klein’s research activities are focused on understanding the mechanisms responsible for metabolic dysfunction associated with obesity and diabetes and the therapeutic effects of dietary manipulation on metabolic and health outcomes.