Imperial College London

Mr Ahmed R. Ahmed PhD FRCS

Faculty of MedicineDepartment of Surgery & Cancer

Clinical Senior Lecturer in Bariatric Surgery



+44 (0)20 8846 1081a.ahmed07




Charing Cross HospitalCharing Cross Campus





 Mr Ahmed is a clinical senior lecturer 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 Colege 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.

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 on the editorial boards of the main obesity scientific journals SOARD and Obesity Surgery.  He is a member of the American Society for Metabolic and Bariatric Surgery (ASMBS), International Federation of Surgery for Obesity (IFSO), Society of American Gastroenterological and Endoscopic Surgeons (SAGES), Association of Upper GI Surgeons (AUGIS), British Obesity and Metabolic Surgery Society (BOMSS).



Eslam M, Ahmed A, Despres J-P, et al., 2021, Incorporating fatty liver disease in multidisciplinary care and novel clinical trial designs for patients with metabolic diseases, Lancet Gastroenterology & Hepatology, Vol:6, Pages:743-753

Jones B, Sands C, Alexiadou K, et al., 2021, The metabolomic effects of tripeptide gut hormone infusion compared to Roux-en-Y gastric bypass and caloric restriction, Journal of Clinical Endocrinology and Metabolism, ISSN:0021-972X


Wiggins T, Jamel S, Hakky S, et al., 2022, Assurance of surgical quality within multicenter randomized controlled trials for bariatric and metabolic surgery: a systematic review, 11th Annual Scientific Meeting of the British-Obesity-and-Metabolic-Surgery-Society (BOMSS), ELSEVIER SCIENCE INC, Pages:124-132, ISSN:1550-7289

Tankel J, Ahmed AR, Tankel J, et al., 2021, Gastrojejunostomy in Roux-En-Y Gastric Bypass for Morbid Obesity: Linear Stapler Length Does Not Affect Mid-term Outcomes, 11th Annual Scientific Meeting of the British-Obesity-and-Metabolic-Surgery-Society (BOMSS), LIPPINCOTT WILLIAMS & WILKINS, Pages:794-798, ISSN:1530-4515

Davies I, Kenkre J, Alexiadou K, et al., 2021, Can current methods of predicting T2D remission following metabolic surgery be improved?, 12th Annual Scientific Meeting of the British-Obesity-and-Metabolic-Surgery-Society (BOMSS), SPRINGER, Pages:S13-S13, ISSN:0960-8923

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