Dr Christos Toumpanakis is one of London's leading gastroenterologists practising at the Royal Free Hospital London. He is also an Honorary Senior Lecturer at University College London (UCL) and has won the 'Top-Teacher of the Year' Award on five different occasions. His sub-specialty is neuroendocrine tumours and he is considered to be one of the international experts in the field. He also specialises in coeliac disease, dyspepsia, gastro-oesophageal reflux, bowel disease including inflammatory (IBD), gastrointestinal endoscopy as well as gastro-intestinal problems of patients with congenital immuno-deficiencies. He has lectured at several international conferences and has published numerous papers and reviews. He is a member of the Advisory Board of the European Neuroendocrine Tumour Society (ENETS), co-editor of ENETS CME program, co-author of ENETS & UK & Ireland NET Guidelines, as well as member of the Advisory Board of the UK NET patients’ foundation. He leads a NET Clinical Research Group and his main research interests include novel biomarkers and molecular imaging in NETs, mesenteric fibrosis, and carcinoid heart disease.