Dr. Martin Busing is a Chairman of the Department of General and Visceral Surgery. He is a Professor of Surgery at Ruhr-University Bochum. He completed his Ph.D in Habilitation in 1994 from Ruhr-University Bochum. His Clinical Specialities are Cancer Surgery (Gastrointestinal, Liver, and Pancreas), Endoscopic Surgery (Hernia, Reflux, Coloproctology, and Endocrine Surgery), Bariatric Surgery (Gastric Banding, Gastric Sleeve, and Gastric-Bypass), Plastic Surgery (Postbariatric Surgery), and Trauma Surgery (Polytrauma Treatment). He is a member of DGCH, DGU, GAV, GTS, DGAPC, DGAV, International Pancreas and Islet Association, International Transplantion Society, Society for Gastroenterology in North Rhine-Westphalia eV, and International Federation Surgery of Obesity. He has published 65 Original Papers, presented up to 152 Oral Presentations and 20 Poster and Video Presentations.