Logan Brenzel is a health economist with more than 35 years of worldwide experience providing policy and strategic advice to governments and global health partners, including Gavi, the Vaccine Alliance; leading, designing and managing complex multi-country implementation research on the cost, cost-effectiveness, financing and sustainability of PHC interventions including immunization; coordinating and leading multi-partner engagements; and building capacity of country counterparts. Logan has supported countries in areas such as health systems strengthening; results-based financing; resource tracking; transition from donor support; and aid-effectiveness in her work with the Bill & Melinda Gates Foundation, the World Bank, the US Agency for International Development, and John Snow, Inc. Logan has a PhD from the Johns Hopkins University School of Hygiene and Public Health, and a graduate degree from the Harvard University School of Public Health. She is a graduate of Stanford University. Logan currently is an independent consultant based in Paris, France.
loganbrenzel@gmail.com
Dr. Sarah Pallas leads the Economics Unit of CDC’s Global Immunization Division, which conducts economic evaluations of immunization interventions and provides technical assistance on economics and financing for global immunization programs. She has served as a member of the WHO SAGE Working Group on COVID-19 Vaccines, co-chairing its Impact Modelling subgroup. She completed her Prevention Effectiveness Fellowship in CDC’s Division of Global HIV/AIDS, serving as the PEPFAR Expenditure Analysis Advisor for Haiti and the Dominican Republic. Previously, Dr. Pallas worked for Development Finance International, Inc., and with Population Services International. She served as a Peace Corps volunteer in Morocco and Togo.
Dr Ulla Kou Griffiths is a health economist specializing in the economics of vaccines. She has extensive experience in cost-effectiveness analysis, health outcome measurement and public financial management. At UNICEF HQ, Ulla leads approximately ten staff and consultants who are part of the Immunization Financing Team. Before joining UNICEF in 2016, Ulla worked at the London School of Hygiene and Tropical Medicine for ten years, and before that she was at the WHO in Geneva for six years. She has also worked as a health economist in the Ministry of Health in Guyana (1995-1997). Ulla is originally from Denmark and holds an MSc in Economics from Copenhagen University and a PhD from LSHTM.
ugriffiths@unicef.org
Tewodaj (Todi) Mengistu is a Senior Programme Officer in the Measurement and Strategic Information team at Gavi, the Vaccine Alliance. She supports data and analysis needs for key strategic decisions around Gavi investments and ensures the provision of robust estimates of health and economic impact of Gavi-supported vaccinations. As part of this, she is the Gavi focal point for the Vaccine Impact Modelling Consortium (VIMC), a global consortium aiming to generate disease burden and vaccine impact estimates and to advance the research agenda in the field of vaccine impact modelling.
Todi has a PhD in Policy Analysis (Economics concentration) from the Pardee RAND Graduate School. Prior to Gavi, she worked at the Centres for Disease Control and Prevention (CDC) as a health economist with the Division of Global HIV/AIDS evaluating the effectiveness of delivery services for HIV prevention, care, and treatment in countries with high HIV burden.
tmengistu@gavi.org
Raymond Hutubessy works as the Team Lead of the Value of Vaccines, Economics, and Modeling (VoV) team, Department of Immunization, Vaccines and Biologicals (IVB), World Health Organization in Geneva. As of March 2022 he is seconded to the G20 Joint Finance and Health Task Force on pandemic preparedness, prevention and response Secretariat hosted at the World Health Organization. As a senior health economist he has over 25 years over work experience in economic analysis in health in both in low and middle income countries in particular.