Katherine Y. Tossas, Ph.D., M.S., is a cancer epidemiologist and an assistant professor in the Department of Social and Behavioral Sciences, with an affiliate appointment in the Department of Epidemiology at Virginia Commonwealth University School of Population Health (VCU). She is also a member of the VCU Massey Comprehensive Cancer Center (Cancer Prevention and Control research program), where she is the founding director for the Office of Catchment Area Data Analytics. Dr. Tossas’ research centers on elucidating the role of the microbiome on cancer interception, specifically in the disparate progression of precancerous lesions of the cervix and lung. She is a Principal Investigator for multiple foundation-funded, community-engaged research projects identifying and addressing enduring disparities in cancer outcomes across Virginia. She has received multiple competitive grants, most recently an NCI K01 and a V Scholar Award. Dr. Tossas also provides mentorship opportunities to students through her COQUI Lab.