Dr. Colletti is a pediatric gastroenterologist and Professor of Pediatrics at the University of Vermont College of Medicine. As the President and Executive Network Director of ImproveCareNow, he is actively engaged in quality improvement and research in pediatric Crohn’s disease and ulcerative colitis. He has been the President of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN), on the Board of Directors of the Children’s Digestive Health and Nutrition Foundation, and Secretary-Treasurer of the Federation of International Societies for Pediatric Gastroenterology, Hepatology and Nutrition. He is a graduate of the University of Pittsburgh School of Medicine and completed his residency at Yale University and his fellowship at Texas Children’s Hospital, Houston. He has co-authored over 100 papers, book chapters and monographs, and has given over 140 national and international presentations.