Ioana A. Bina, M.D., Ph.D., completed advanced studies in endocrinology, metabolism and nutrition at Rouen University in France. She holds her M.D. and a Ph.D. in endocrinology from Carol Davila University in Bucharest, Romania, and has completed her internal medicine, gastroenterology, and nutrition fellowship training at Yale University. She is a fellow of the American College of Gastroenterology and a member of the Institute for Functional Medicine.