Mark is from the Kabi Kabi tribal group of South Queensland. He is the strategic advisor for the Lowitja Institute, Research Knowledge Translation, and the inaugural co-chair of the QH Aboriginal and Torres Strait Islander State-wide clinical network. He has been the Public Health Medical Advisor and senior medical officer at Apunipima Cape York Health Council since 2008, where he practised clinical medicine and remote health service program delivery.
Mark is a board director of Miwatj ACCHS in NT. He has been involved in clinical and policy work in Aboriginal and Torres Strait Islander sexual health, including many national committees. He was awarded the Australian Public Health Association Aboriginal and Torres Strait Islander public health award in 2020 & was a founding member of the Australian Indigenous Health Doctors Association (AIDA).