Dr Brendan Ryan is a bariatric and transplant surgeon with rooms in the Lakeview Private Hospital, Westmead Private Hospital and Camden Surgical 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 more than 15 years in private practice, with experience primarily in weight-loss surgery, anti-reflux surgery and gallstones.