Professor Marshall has published more than 220 research articles on biological, clinical and survivorship aspects of child cancer. His research interests are MYCN oncogene inhibitor drugs, combination anti-cancer therapy, early detection and treatment of relapsed child cancer, prevention of embryonal child cancer, and, survivorship problems faced by children with chronic illness.
Professor Marshall has received awards from the Australian NHMRC and CINSW for excellence in translational research, and his significant service to medicine was acknowledged in 2014 with an Order of Australia (AM). He was made a Fellow of the Australian Academy for Health and Medical Science in 2017. In 2019, Professor Marshall received the Premier’s award as the Outstanding Cancer Researcher of the Year, and the Health Services Research Award from Research Australia. Prior to Professor Tracey O’Brien taking over the role in 2016, Professor Marshall served as the Director of the Kids Cancer Centre for 18 years.