Sarah Flicker is an Associate Professor in the Faculty of Environmental Studies at York University. She is engaged in an exciting and innovative program of research that focuses on youth HIV prevention and support, as well as, environmental, sexual and reproductive justice. More broadly, she is interested in community-based participatory methodologies and is active on a variety of research teams that focus on adolescent sexual health with youth in Canada and South Africa. Recently, she has published in the areas of urban health, youth health, HIV, health promotion, ethics, the social determinants of health, and community-based participatory research. Her research has informed policy at the municipal, provincial and federal levels. Sarah and her teams have won a number of prestigious awards for youth engagement in health research.