Dr Kalipso Chalkidou is the Director of Health Financing and Economics at the World Health Organization (WHO) in Geneva and a Visiting Professor of Global Health at the School of Public Health, Imperial College London. Before she joined WHO she set up and run the Department of Health Finance at the Global Fund to Fight AIDS, TB and Malaria and prior to that she was Director of Global Health Policy and a Senior Fellow at the Center for Global Development and a Founding member of the international decision support initiative (iDSI). Her work has concentrated on helping governments build technical and institutional capacity for using evidence to set investment priorities en route to UHC.