Education Program Leader for the Big History Institute, Macquarie University and manages the Australian portion of the Big History Project. Trained as a secondary History teacher Tracy taught in Australian classrooms for eight years before moving to the tertiary sector, lecturing in History Education at the University of Sydney and the University of New South Wales. A former Churchill Fellow and Westfield Premiers Teachers scholar Tracy is currently completing a PhD in Education at Mac-quarie University exploring the transformative impact of Big History as a vehicle for interdisciplinarity learning at the secondary level.