Professor Susan Sawyer MBBS MD FRACP is Director of the Centre for Adolescent Health at the Royal Children’s Hospital, Professor of Adolescent Health at the University of Melbourne and president of the International Association for Adolescent Health. A paediatrician by training, she has helped establish the field of Adolescent Health and Medicine in Australia, the Asia Pacific region and increasingly further afield. She has published over 250 peer review publications, 40 book chapters and a textbook on adolescent health. She was the co-lead of two Lancet series on adolescent health in 2007 and 2012, and had a senior role in the 2016 Lancet Commission on Adolescent Health and Wellbeing. Professor Sawyer has held various advisory roles with WHO, UNICEF, UNFPA, and the World Bank, including chairing the WHO Technical Steering Committee for Maternal Newborn, Child and Adolescent Health from 2011-16.