Qualified in 1990 from Cambridge University and King's College Hospital, London. Trained in North West Thames region and appointed as consultant in gastroenterology and general internal medicine in 2002. Currently consultant gastroenterologist at Imperial College Healthcare NHS Trust, with a major interest in colorectal cancer screening, colonoscopy and disorders of the lower GI tract. Director of West London Bowel Cancer Screening Centre and accredited colonoscopist and colonoscopy assessor within the National Bowel Cancer Screening Programme. Colonoscopy teaching faculty at St Georges National Endoscopy Training Centre. Director of West London Capsule Endoscopy.