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).



Kowalka AM, Alexiadou K, Cuenco J, et al., 2022, The postprandial secretion of peptide YY1-36 and (3-36) in obesity is differentially increased after gastric bypass versus sleeve gastrectomy, Clinical Endocrinology, ISSN:0300-0664


Patel P, Thomas R, Hamady M, et al., 2022, O102 We know about left gastric artery embolisation and will embio provide the next solution to treat obesity?, Annual Scientific Meeting of the Surgical-Research-Society, OXFORD UNIV PRESS, ISSN:0007-1323

Fehervari M, Ortega P, Muir C, et al., 2022, Single Anastomosis Gastric Bypass as a revision of failed Gastric Band, SPRINGER, Pages:19-19, ISSN:0960-8923

Patel P, Thomas R, Hamady M, et al., 2022, Simulation training to create the gold standard framework to run the EMBIO trial (left gastric artery embolisation vs placebo), a double blinded, multi-centre, randomised controlled trial., SPRINGER, Pages:27-27, ISSN:0960-8923

Patel P, Thomas R, Hamady M, et al., 2022, What we know about left gastric artery embolisation and will EMBIO provide the next solution to treat obesity?, SPRINGER, Pages:26-27, ISSN:0960-8923

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