Sean Preston BSc, PhD, MBBS, FRCP

Dr. Sean Preston is a Consultant Gastroenterologist based at the Royal London Hospital, Barts Health, the UK's largest NHS Trust. He graduated from St Mary’s Hospital Medical School, Paddington in 1995. The majority of his postgraduate training was centered at Barts and the London NHS Trust (a major London Teaching Hospital), in addition to a year spent in Sydney as an Advanced Endoscopy Fellow, prior to his appointment as a Consultant at Barts in 2006. His clinical practice includes the diagnosis and treatment of gastro-oesophageal reflux disease (heartburn), Barrett's esophagus, irritable bowel syndrome, inflammatory bowel disease, diarrhea, constipation, bloating, in addition to diagnostic and therapeutic endoscopy of the esophagus, stomach, and colon.

His PhD, undertaken at Cancer Research UK, London, outlined the role of stem cells in gastrointestinal cancers and led to several significant publications in the field. He is Director of Endoscopy at Barts Health and his endoscopic expertise relates to gastroscopy, colonoscopy, and endoscopic ultrasound and he is an accredited colonoscopist for the National Bowel Cancer Screening Programme (requiring a rigorous accreditation process and continuous audit of key performance indicators).

Dr. Preston also featured in the 2013 Tatler Doctors Guide of Britain's top 250 consultants. He was President of the Gastroenterology and Hepatology Section of the Royal Society of Medicine from 2015-2017 and is currently Chairman of the Specialists' Committee for the Independent Doctors' Federation. As a founding partner of London Digestive Health, within London Digestive Centre, he works within the framework of a first-class clinical team of other London Teaching Hospital Gastroenterologists, in addition to GI surgeons, Radiologists, Oncologists, and a Dietician. He is also the Chair of Digestive Diseases and Renal Department at HCA Healthcare UK.