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Dr Preston graduated from St Mary’s Hospital Medical School, Paddington in 1995. The majority of his postgraduate training was centred 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 and the London NHS Trust in 2006.
His clinical practice includes the diagnosis and treatment of gastro oesophageal reflux disease, Barrett’s oesophagus, irritable bowel syndrome in addition to therapeutic endoscopy of the oesophagus, 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. His endoscopic expertise relates to gastroscopy, colonoscopy and endoscopic ultrasound and he is an accredited colonoscopist for the National Bowel Cancer Screening Programme. He has written numerous papers and book chapters on gastrointestinal cancer and continues his research in Barrett’s oesophagus.
Dr Preston also featured in the 2013 Tatler Doctors Guide of Britain's top 250 consultants. He is President of the Gastroenterology and Hepatology Section of the Royal Society of
Areas of interest
General gastroenterology, gastro oesophageal reflux, Barrett’s, diseases of the oesophagus, endoscopy - gastroscopy, colonoscopy, endoscopic ultrasound, colon cancer.
Current NHS consultant posts held
Barts and the London Hospitals
Gastroscopy, Colonoscopy, EUS, Gastrointestinal cancer, Reflux disease, Barrett's oesophagus, Dyspepsia, Inflammatory bowel disease.
Reference number 4230881
Affiliations / memberships
BSc (Hons), PHD, FRCP