Dr. Jeffrey I. Mechanick is the Clinical Professor of Medicine and Director of Metabolic Support in the Division of Endocrinology, Diabetes and Bone Disease, Icahn School of Medicine at Mount Sinai, in New York City. He received his M.D. degree from Mount Sinai School of Medicine, completed Internal Medicine residency at Baylor College of Medicine, and completed Endocrine Fellowship at Mount Sinai. Dr. Mechanick has authored over 200 publications in Endocrinology, Metabolism, and Nutrition Support. He is Past President of the American Board of Physician Nutrition Specialists.