Omar Galárraga, PhD is a health economist and tenured Professor of Health Services, Policy and Practice at the Brown University School of Public Health. He currently serves as the Director of the Center for Global Public Health (CGPH) at Brown. Dr. Galárraga’s research applies principles from health and behavioral economics to improve public health outcomes, with a specific focus on: (a) HIV Prevention & Treatment: Designing and evaluating economic-based interventions, such as conditional economic incentives to improve adherence to antiretroviral therapy and reduce risk behaviors; (b) Health Systems: Analyzing health systems reform and insurance expansion in low- and middle-income countries; and (c) Applied Econometrics: Utilizing rigorous experimental and non-experimental methods to evaluate health interventions and policies.