Gastroenterologist, Division of Gastroenterology, Hepatology and Nutrition; Medical Director, Esophageal and Airway Treatment Center
Instructor of Pediatrics, Harvard Medical School
Director, Center for Motility and Functional Gastrointestinal Disorders; Director, Functional Abdominal Pain Program; Gastroenterologist, Division of Gastroenterology, Hepatology and Nutrition
Professor of Pediatrics, Harvard Medical School