Richard K. Bernstein, MD, is one of the world's foremost experts in diabetes treatment and care. He is the author of six books about diabetes, including The Diabetes Diet. Dr. Bernstein is the emeritus director of the Peripheral Vascular Disease Clinic at Jacobi Medical Center, an instructor at New York Medical College, fellow of the American College of Nutrition, and a consultant to the Department of Physical and Rehabilitation Medicine at Albert Einstein College of Medicine.

An attending physician at North Bronx Healthcare Network, he also maintains a private practice in Mamaroneck, NY, where he lives.