Dr Kathryn Williams is a physician-researcher specialising in obesity and metabolic health. She is currently the Head of Department for Endocrinology at Nepean Hospital and also the Clinical Lead for Australia's first public lifespan obesity service, the Nepean Blue Mountains Family Metabolic Health Service. Kathryn leads research programs focused on severe clinical obesity, including the needs of people affected, the associations with social determinants of health and the impact of management.