Dr Anstey is a specialist Emergency and Intensive Care physician and currently works as an intensivist and co-director of research at Sir Charles Gairdner Hospital Intensive Care Unit. Dr Anstey has a Masters of Public Health in health policy from Harvard School of Public Health and he was the 2012-13 Australian Harkness Fellow in Health Policy based at Kaiser Permanente California. He is an advisory board member of Choosing Wisely Australia.