Dr Brendan Ryan is a bariatric and transplant surgeon with rooms in the Lakeview Private Hospital, Westmead Private Hospital and Campbelltown Private Hospital.  He is also director of Sydney Bariatric Clinic, a multidisciplinary clinic aimed at maximising weight loss after surgery.

Dr Ryan has been practising for 10 years in private practice, with experience primarily in weight-loss surgery, anti-reflux surgery and gallstones.