Bryan Patenaude is an Associate Professor of Health Economics & Economic Evaluation in the Department of International Health at the Johns Hopkins Bloomberg School of Public Health. His research focuses on understanding health system financial sustainability, equity, and efficiency in low and lower-middle income countries, applying behavioral economics to the economic evaluation of public health policy, linking theoretical models from epidemiology, social psychology, and economics to inform decision-making, and understanding the economic impact of public health interventions, with a particular interest in infectious disease surveillance, prevention, and treatment. Through his research, Bryan has worked closely with local partners in over 30 low-and-middle income countries, and has directed health and development economics research and policy evaluation for USAID, WHO, CDC, UNICEF, Gavi, The Global Fund, The World Bank, and Gates Foundation. Bryan holds a doctoral degree in Global Health Economics from Harvard University, a M.A. in Global Development Economics from Boston University, and a B.A in International Economics from Boston College and recently served an appointment as Senior Economist for Global Health within the Global Health Bureau of USAID.
Saffana Hilmy Mahmudah is a Program Officer for Vaccine Management System and Capacity (MSC) at the Clinton Health Access Initiative (CHAI), Indonesia. She supports strategic planning, budgeting, and resource mobilization for immunization programs, focusing on new vaccine introduction and reaching zero-dose children. Her work also includes evidence-based advocacy and strengthening subnational capacity. Saffana holds an MPH from King’s College London.
Hania Qavi Khan is a Senior Associate at Impetus Advisory Services, working at the intersection of systems design, economic analysis, and last-mile service delivery. She currently leads the Gates Foundation’s Zero-Dose Learning Agenda in Pakistan, focusing on the design, implementation, and costing strategy for grassroots immunization interventions in high-risk urban communities of Karachi. Her broader portfolio spans provincial digital transformation in health, community behavior change, and organizational development to strengthen equitable public service delivery.
Muhammad Salman is the Implementation Lead at Impetus Advisory Services, where he leads work on immunization program costing and delivery strategies. He is currently working on estimating the cost of interventions to reach zero-dose children in polio high-risk areas of Karachi, as part of Pakistan’s Zero-Dose Learning Agenda. His work supports strategic planning and policy decisions to expand immunization coverage in underserved urban communities.
Dr. Alex Adjagba is a physician and health economist with over 20 years of impactful experience in global health, specializing in health system reform, economic policy, and sustainable financing. He has worked closely with governments, international NGOs, and UN agencies across diverse settings. As Senior Health Financing Adviser at UNICEF headquarters, Alex offers strategic and technical guidance to countries, combining clinical expertise with economic insight to enhance system performance and support progress toward Universal Health Coverage. His recent work has concentrated on supporting recipient countries in managing donor transitions more effectively, to foster long-term sustainability and national ownership of health programs. Alex holds a Doctorate of Medicine (MD) from the University of Cotonou in Benin, a Master of Science (MSc) in Health Financing from the London School of Economics (UK), and a PhD from the University of the Western Cape in South Africa.
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