Dr. Sean T. Allen is an Assistant Scientist in the Department of Health, Behavior and Society. His research applies quantitative and geospatial methods to examine the structural drivers of public health among marginalized populations, including people who use drugs. Dr. Allen has particular interests in rural health disparities, harm reduction initiatives, policy change as a structural intervention for HIV prevention, and the intersections between research and drug policy. Dr. Allen completed his post-doctoral training at Johns Hopkins University in the Drug Dependence Epidemiology Training Program. During his post-doctoral training, he also served as a Senior Policy Advisor at the White House Office of National Drug Control Policy.