Mervyn Deitel, MD, FASMBS, CRCSC, FACN, FICS, DABS. Mervyn Deitel graduated from University of Toronto Medicine in 1961. He trained in surgery at NYU and Beth Israel Hospitals New York, Roswell Park Cancer Institute Buffalo, and Parkland Memorial in trauma in Dallas. He pioneered intravenous hyperalimentation (TPN) at St. Joseph’s Health Centre in Toronto in 1967, and began bariatric surgery in 1970, becoming a Professor of Nutritional Sciences and Surgery, performing 2,850 jejuno-ileal bypasses, gastroplasties and Roux-en-Y gastric bypasses. Prof. Deitel published 5 textbooks on nutrition/bariatric surgery. He was a Founding Member of the ASBS (now ASMBS) in 1983, and served as President 1994-5. He received the Outstanding Achievement Award of the ASMBS Foundation in 2002 and recently the Mason Presidential Medal. He was the Founding Editor and Editor-in-Chief of Obesity Surgery from 1991 to 2008, and remains Emeritus Editor-in-Chief. He was a F^700 presentations. Among his memberships are Central Surgical Association, SAGES, Society for Surgical Oncology, American College of Nutrition, and Past-President of the Roswell Park Surgical Society. He is Chief of the Advisory Board of the International Bariatric Club, and Editor of Healthy Weight: the Publication of the Canadian Association of Bariatric Physicians & Surgeons. He is Founder and Director of the MGB-OAGB Club.