Thomas J. Bossert, PhD. is a Senior Lecturer and the Director of the International Health Systems Program of the Harvard T. H. Chan School of Public Health. He has many years of experience in international health in Latin America and the Caribbean, Africa, Asia and Central and Eastern Europe. His specialties include health reform, decentralization, sustainability and transition, implementation science, social capital, human resources strategic planning and political feasibility analysis. His publications have appeared in Social Science and Medicine, Health Policy and Planning, WHO Bulletin, The Lancet among other journals and monographs. His innovative "decision space" approach to decentralization has appeared in many peer-reviewed journals and recently in an edited book on decentralization: Federalism and Decentralization in Health Care: A Decision Space Approach. Toronto: University of Toronto Press, 2018. He has developed a guide to strategic planning for human resources for WHO. His pioneering work on sustainability of donor-funded projects was published in Social Science and Medicine in 1990, and he has recently studied sustainability and transition for projects funded by CDC and the Gates Foundation. He has provided technical assistance, conducted research and project management for contracts with various donors including USAID, DfID, World Bank, WHO and the Inter-American Development Bank. At Harvard, he teaches courses on health system reform and political economy of health systems and was the recipient of a Teaching Citation Award based on student evaluations for the academic year 2013-14. He also teaches in the Harvard/World Bank Flagship Course on Health System Strengthening in Washington and in various countries around the world. He also teaches executive training courses on decentralization and on human resources for the International Health Systems Program at Harvard and for country courses around the world.