Mr Ahmed is a Clinical Associate Professor in Metabolic Surgery in the Department of Surgery and Cancer at the College and Honorary consultant in upper gastrointestinal and bariatric surgery and Clinical lead for bariatric surgery at Imperial College Healthcare NHS Trust. He is the current President of the British Obesity and Metabolic Specialist Society. Mr Ahmed’s academic interests are in the mechanism of complications following bariatric surgery and he has a PhD analysing internal hernias following gastric bypass surgery. He has numerous research affiliations with both clinical and non-clinical teams including biomedical engineering, investgative medicine, human genetics, gastroenterology, endocrinology, vascular surgery, urology, renal medicine, and the CPSSQ. He is actively involved in bariatric surgery research and has received over £1,000,000 in NIHR research funding and leads the EMBIO RCT assessing Left Gastric Artery Embolisation for weight loss. He has numerous publications in peer reviewed journals and has an H index of 32. His main clinical areas of interest are in complex revisional bariatric surgeries and he receives referrals from all over the UK and abroad for his expert skills. He has trained in general and upper GI surgery in the UK and at Stanford University and the University of Rochester in the US. He trains other surgeons in the field of bariatric surgery and is on the faculty on numerous courses on bariatric surgery. Mr Ahmed is often consulted by other professionals and medicolegal experts for his opinions on complex bariatric surgery cases. He is a member of the International Federation of Surgery for Obesity (IFSO) and British Obesity and Metabolic Surgery Society (BOMSS). Mr Ahmed was elected to the council of the Royal College of Surgeons of England and is currently President of the British Obesity and Metabolic Specialist Society.