My research interests include the application of historical and social science tools to current public health problems in developing countries, community-directed programs, health system design, and health services delivery. Current projects focus on the international institutional politics of agenda-setting in global health, the political economy of tobacco control in developing countries, and the historical origins of the concept of universal health coverage (UHC). My work on UHC includes a theory of national transitions to universal health coverage to help guide development assistance strategies.