Gastroenterology

Margaret Vance is Nurse Consultant in Gastroenterology at the Wolfson unit for endoscopy at St Mark’s hospital**.** She leads a team of specialist research nurses and nurse endoscopists providing gastroscopy, flexible sigmoidoscopy, colonoscopy and capsule endoscopy at St Mark’s Hospital. Margaret has a wide experience of training both nurses and doctors in flexible sigmoidoscopy and colonoscopy and developed the first completely nurse-led theoretical and practical flexible sigmoidoscopy …

Professor Ailsa Hart is Director of St Mark’s Hospital Inflammatory Bowel Disease Research and Consultant Gastroenterologist. In 2016, she achieved academic promotion with Imperial College and is now Professor of Practice. Professor Ailsa Hart studied medicine at Oxford University and was awarded a First Class Honours Degree in 1992, together with the George Pickering Prize for Medicine and Surgery proxime accessit in 1995 and additional prizes for outstanding achievements. She achieved …

Brian Saunders’ main clinical interests are the diagnosis, treatment and prevention of intestinal diseases through flexible endoscopy. He has performed >20,000 colonoscopies and has a particular interest in therapeutic colonoscopy especially advanced polypectomy; endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD). Much of his work also involves colonoscopic screening and surveillance of those patients at increased risk of developing colorectal cancer. Professor …

Dr Siwan Thomas-Gibson is a gastrointestinal endoscopist and luminal gastroenterologist. She has been a consultant at the hospital since 2006 and is the deputy director of the Bowel Cancer Screening unit. She was Clinical lead for the department from 2011-2016. Siwan was appointed to the prestigious post of Chair of JAG from January 2017 to January 2020, overseeing the quality of endoscopy services and training throughout the UK. Her specialist interests include the prevention, diagnosis and …