Our Doctors

Your weight loss program is coordinated and managed by one or more of our experienced and compassionate specialist doctors.

Our doctors are world leaders in non-surgical and surgical bariatrics (the branch of medicine which deals with weight management and obesity). Your initial consultation, procedures, and many of your regular post-procedure follow-ups will all be one-on-one with one of our specialist and bariatric physicians, so take some time to meet them below.

DR ADRIAN SARTORETTO
DR ADRIAN SARTORETTOMedical Director
Dr Sartoretto is the Medical Director of The BMI Clinic. Since joining in 2016, he has performed a number of Australian firsts (including ESG) and has been instrumental in developing our suite of world-class weight loss programs.
DR GEORGE MARINOS
DR GEORGE MARINOSBariatric Endoscopist
Dr Marinos founded The BMI Clinic in 2005. Having performed more than 3000 intragastric balloon procedures over the last 12 years, Dr Marinos is amongst the world’s most experienced in this treatment modality.
PROF PETER COSMAN
PROF PETER COSMANBariatric Surgeon
Prof Cosman has attained his specialist qualification from the Royal Australasian College of Surgeons in 2005, and completed further training as an upper gastrointestinal and pancreatic surgeon. He is frequently invited as a speaker at conferences and functions across Australia and around the globe.
DR ARTI RATTAN
DR ARTI RATTANBariatric Endoscopist
Dr Rattan is a Gastroenterologist and Hepatologist with extensive clinical experience in gastrointestinal and liver disorders. She provides a high quality, evidence based, safe, personalised and comprehensive service covering all aspects of gastrointestinal care. Dr Rattan performs diagnostic and endoscopic procedures including gastroscopy, colonoscopy and capsule endoscopy.
DR AHMAD ALRUBAIE
DR AHMAD ALRUBAIEBariatric Endoscopist
Dr Alrubaie joined The BMI Clinic team in 2018 to perform endoscopic weight loss procedures. His interests include the application of minimally invasive techniques in obesity management, in addition to small bowel endoscopy, inflammatory bowel disease, and Coeliac disease. Dr Alrubaie’s rooms are located in Condell Park NSW.
DR BEATRICE BRENNAN
DR BEATRICE BRENNANBariatric Endoscopist
Dr Beatrice Brennan is a Gastroenterologist and General physician. She undertook her training at the Canberra Hospital and Prince of Wales Hospital before completing a fellowship in obesity management. Her interest in food and nutrition in relation to chronic disease arose whilst managing complex hospital based patients, where both under and over nutrition is associated with significant complications. From there it was a natural progression to managing overweight and obese patients in the outpatient setting. When not at work, she is is busy raising two children and attempting to incorporate the changes she encourages for her patients into her own and their lives.

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