Professor of Medicine, Director of Advanced Endoscopy, Director of Metabolic and Bariatric Endoscopy, and Consultant in Gastroenterology and Advanced Therapeutic Endoscopy at the Mayo Clinic in Rochester, MN. He is also the chair of the Bariatric and Metabolic Endoscopy Committee of the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) and co-chair of the Bariatric Committee of the American Foregut Society