Jerome Dargent is bariatric surgeon in Lyon, France. He is Editor in chief of the Journal "Obesite" published by Springer and also Associate Editor for "Obesity Surgery" also published by Springer. In 2011, he has launched the International Symposium on non-invasive Bariatric Techniques, he organizes each year, gathering speakers and participants from all over the world. Giovanni Dapri is Assistant Professor at the Department of Gastrointestinal Surgery, Saint-Pierre University Hospital, Brussels, Belgium. He is Member of the Editorial Board of the World Journal of Gastrointestinal Surgery, the World Journal of Gastrointestinal Endoscopy, Global Journal of Surgery, World Journal of Surgical Procedures and also Member of the Scientific Committee of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) for "Guidelines", "Bariatric", "Flex Endoscopy" and "Research" and member of the Scientific Committee of the American Society for Metabolic and Bariatric Surgery (ASMBS) for "International Development", Member of the Scientific Committee of International Federation for the Surgery of Obesity (IFSO) for "New Technologies" and also Faculty Member of Cleveland Clinic International Bariatric Club, Cleveland