Sam Winter taught and researched at the University of Hong Kong for 30 years, before moving to Australia in 2015. He now heads up a small sexology team at the School of Public Health at Curtin University in Perth. A psychologist by training and professional experience, he teaches, researches and publishes in trans health, wellbeing and rights. He has also worked with trans clients (children, adolescents and adults). He has worked with WHO, UNDP, UNAIDS and UNESCO, and has for the last seven years been a board member of the World Professional Association for Transgender Health (WPATH). He was on the authoring team for the current Standards of Care (SOC-7), widely used by healthcare planners and providers in delivering services to transgender people worldwide. He was one of the lead authors for the 2017 Lancet special issue on transgender health. He does advocacy work regionally and worldwide, working with community-led organisations such as Asia-Pacific Transgender Network (APTN) and Global Action for Trans* Equality (GATE), and others.