Dr. Geng is a Professor of Medicine in the Division of Infectious Diseases in the Department of Medicine and Director of the Center for Dissemination and Implementation at the Institute for Public Health, both at Washington University in St. Louis. Using the lens of implementation science, Dr. Geng conducts research to advance the use of evidence-based interventions in the public health response to HIV. Dr. Geng is an academic editor at PLOS Medicine, an editorial board member of JAIDS and Journal of the International AIDS Society, and the editor for implementation science at Current HIV/AIDS Reports.