Dr Irving trained in Medicine at Cambridge University and The London Hospital Medical College, qualifying with distinction in 1995. He conducted his research at Barts and The London on inflammatory bowel disease before moving to Australia for a further period of research.
He is internationally known as an expert in inflammatory bowel disease (Crohns disease and ulcerative colitis) and leads the inflammatory bowel disease service at Guys and St Thomas Hospital, London where he also runs a large research and clinical trial programme. He has previously sat on the IBD Section of the British Society of Gastroenterology and Chaired the Education Committee of the European Crohns and Colitis Organisation.
Dr Irving also has a specific interest in irritable bowel syndrome (IBS). Together with dietetic colleagues at Guys and St Thomas and Kings College London, he introduced the low FODMAP diet to the UK and continues to conduct research in this field. Overall he has over 150 publications and has published 3 books.
His practice includes all aspects of luminal gastroenterology with a particular interest in inflammatory bowel disease (Crohns disease and ulcerative colitis) and irritable bowel syndrome (IBS). His endoscopic interests include small bowel capsule endoscopy as well as gastroscopy and colonoscopy.
Along with his interest in inflammatory bowel disease, Dr Irving is interested in irritable bowel syndrome, and endoscopy, gastroscopy and colonoscopy.