I am Consultant Gastroenterologist at Addenbrooke’s Hospital and I am Senior Clinician Scientist at the MRC Cancer Unit, University of Cambridge. I provide regional referral for endoscopic treatment of pre-cancerous and early malignant conditions of the upper gastro-intestinal tract, including endoscopic mucosal resection, endoscopic submucosal dissection and Radiofrequency Ablation. I have a research interest in oesophageal diseases, including Barrett’s oesophagus, oesophageal cancer and reflux disease. In particular, my scientific focus is in advanced endoscopic imaging, endoscopic therapies and molecular biomarkers for cancer risk stratification. I am co-editor of the 2014 British Society of Gastroenterology guidelines for management of Barrett’s oesophagus and have published several articles and book chapters on Barrett's oesophagus and oesophageal cancer.