Professor Stuart Bloom is a Consultant Gastroenterologist at University College London. He has a special interest in general gastroenterology, ulcerative colitis, Crohn's disease, IBS, diverticular disease, food intolerance, coeliac disease and gastro-oesophageal reflux. He established the Bowel Cancer Screening Programme at UCLH and is an accredited bowel cancer screening colonoscopist. He has been researching the cause of colitis and Crohn's disease and, together with Professor Tony Segal at the Raine Institute, has published a recent paper on the subject. He is available for private consultation at The Wellington Hospital.