Dustin T. Duncan, ScD is an Associate Professor in the Department of Epidemiology at Columbia University Mailman School of Public Health, where he directs Columbia’s Spatial Epidemiology Lab and co-directs the department’s Social and Spatial Epidemiology Unit. Dr. Duncan is an internationally recognized social and spatial epidemiologist, studying how specific neighborhood characteristics influence population health and health disparities, especially among sexual and gender minorities. Dr. Duncan’s intersectional research focuses on Black gay, bisexual and other sexual minority men and transgender women of color. His work appears in leading public health, epidemiology, medical, geography, criminology, demography, and psychology journals. Working in collaborations with scholars across the world, he has over 150 high-impact articles, book chapters and books, and his research has appeared in major media outlets including U.S. News & World Report, The Washington Post, The New York Times and CNN. Dr. Duncan’s recent work has been funded by the National Institutes of Health, the Centers for Disease Control and Prevention, the HIV Prevention Trials Network, the Robert Wood Johnson Foundation, the Verizon Foundation, and the Aetna Foundation. He is PI of two prospective cohort studies. The N2 (Neighborhoods and Networks) Cohort Study is a cohort study including 600 Black sexual minority men (SMM) in Chicago IL, Jackson MS, and New Orleans and Baton Rouge LA. The TURNNT (Trying to Understand Relationships, Networks and Neighborhoods among Transgender women of color) Study is a cohort of 300 HIV-negative Black, Latina and Asian-Pacific Islander trans women in New York City. He is on the editorial boards of Geospatial Health, the Journal of Urban Health, the International Journal of Environmental Research and Public Health and Sexes. His work also extends out of the research world and into classrooms through guest lectures across institutions and courses including “Assessing Neighborhoods in Epidemiology,” offered at Columbia University. He also teaches in the “CORE,” co-teaching the social determinants module.