Mariana Posse, PhD, is a health economist with over 15 years of experience. She works as an independent consultant, supporting the Mozambican government, multilateral and private organizations. Her work focuses on economic evaluations of HIV/AIDS interventions, health financing, National AIDS Spending Assessment (NASA), equity analysis of the COVID-19 vaccine and capacity building on policy brief development. She previously led the research department at the Elizabeth Glaser Pediatric AIDS Foundation in Mozambique.