Professor Bobby Priyajit Prasad is a consultant physician and gastroenterologist based in London. He was Clinical Lead Physician for Gastroenterology and Hepatology at Chelsea & Westminster Hospital 2005-2013, and is a founding partner of London Gastrointestinal Associates. Professor Prasad is an expert in endoscopy and all aspects of gastroenterology and hepatology, including IBS, gastro-intestinal cancer and liver disease. He trained at St Guy's and St Thomas' Hospital, London and Boston, USA. He completed an Advanced Endoscopy Fellowship at Yale University, where he received the Yale New Haven Hospital All Star Award. He regularly teaches advanced endoscopic techniques, and has co-chaired major international conferences on oesophageal cancer and cystic neoplasms of the pancreas.