Dr. Dowdy is a Professor of Epidemiology at the Johns Hopkins School of Public Health, with joint appointments in International Health and General Internal Medicine (School of Medicine). His primary research interest lies in merging epidemiological data on implementation, economic evaluation, and mechanistic modeling to understand the dynamics of tuberculosis (TB) - particularly the impact of interventions to improve diagnosis and case finding. He collaborates with field teams in an array of countries including South Africa, Uganda, Zambia, Malawi, India, and Vietnam; he is also a practicing physician in urban East Baltimore.