Stewart was born and raised in Wellington NSW the heart of Wiradjuri country. For over 20 years he has worked in Indigenous health, in more recent years focusing on identity, Culture and Environment, and mental health particularly Social and Emotional Wellbeing of the Stolen Generations/Residential Schools and people forcibly removed from their families.
Stewart’s PHD, at the Australian National University Canberra, focus of which was the interplay between reconciliation (apology) and the social emotional wellbeing of people forcibly removed from their families.
Stewart is working at the ANU School of Medicine as the Senior lecturer of Aboriginal and Torres Strait Islander Health, where he is building on work of those before him, to ensure that Indigenous health and people are at the core of the curriculum and school.