Imperial College London

Mr Ahmed R. Ahmed PhD FRCS

Faculty of MedicineDepartment of Surgery & Cancer

Clinical Reader in Metabolic Surgery



+44 (0)20 8846 1081a.ahmed07




Charing Cross HospitalCharing Cross Campus





Mr Ahmed is a Clinical Reader 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.  

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 also Secretary (President-Elect) of the British Obesity and Metabolic Surgery Society.



Harper S, Grodzicki L, Mealing S, et al., 2023, Cost-effectiveness of a novel, non-active implantable device as a treatment for refractory gastro-esophageal reflux disease, Journal of Medical Economics, Vol:26, ISSN:1369-6998, Pages:603-613

McGlone ER, Carey IM, Currie A, et al., 2023, Bariatric surgery provision in response to the COVID-19 pandemic: retrospective cohort study of a national registry, Surgery for Obesity and Related Diseases, Vol:19, ISSN:1550-7289, Pages:1281-1287

Kowalka AM, Alexiadou K, Cuenco J, et al., 2023, The postprandial secretion of peptide YY<sub>1-36</sub> and <sub>3-36</sub> in obesity is differentially increased after gastric bypass versus sleeve gastrectomy, Clinical Endocrinology, Vol:99, ISSN:0300-0664, Pages:272-284

Patel P, Thomas R, Hamady M, et al., 2023, EMBIO trial study protocol: left gastric artery embolisation for weight loss in patients living with obesity with a BMI 35-50 kg/m², Bmj Open, Vol:13, ISSN:2044-6055


Assaf N, Scholtz S, Ahmed A, et al., 2023, THE ACCEPTABILITY AND FEASIBILITY OF 3D RECONSTRUCTION AND VIRTUAL REALITY IN ADDRESSING BODY IMAGE IN BARIATRIC SURGERY, 26th International-Federation-for-the-Surgery-of-Obesity-and-Metabolic-Disorders World Congress (IFSO), SPRINGER, Pages:312-312, ISSN:0960-8923

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