Maria R. Mascarenhas, MBBS, is a Pediatric Gastroenterologist in the Division of Gastroenterology, Hepatology, and Nutrition at Children’s Hospital of Philadelphia, considered the leading pediatric hospital in the United States. She serves as the Director of the Nutrition Support Service, Section Chief of Nutrition in the Division of Gastroenterology and Nutrition, Medical Director of the Clinical Nutrition Department, Medical Director of the Healthy Weight Program and Director of the Integrative Health Program. She is board-certified and fellowship-trained in pediatrics, nutrition and pediatric gastroenterology and certified in clinical hypnosis. She is a Professor of Pediatrics at the Perelman School of Medicine at the University of Pennsylvania.