Tania Markovic MBBS PhD FRACP is the Director of the Metabolism and Obesity Services, a senior staff specialist in the department of endocrinology at the Royal Prince Alfred Hospital in Sydney and a clinical associate professor at the Boden Institute of Obesity, Nutrition, Exercise & Eating Disorders, University of Sydney. For the last twenty years her clinical and academic work has revolved around the understanding and management of obesity and related health problems. As the director of a large multidisciplinary weight management clinic at a tertiary referral centre she has been involved in all aspects of the care of patients with complex obesity.