David Wilson is the World Bank’s first Global Lead for Decision and Delivery Science and also Global HIV/AIDS Program Director. He was previously the Bank’s Lead Health Specialist focusing on AIDS and the Bank’s first Senior Evaluation Specialist working on AIDS. Before joining the Bank, David worked as an academic, development practitioner and global health advisor in Zimbabwe for 20 years. David has over published over 100 scientific papers and delivered over 1,000 scientific addresses. He has worked in approximately 50 countries on all continents, including 28 countries in Africa and many fragile and conflict situations in Africa, the Middle East, South Asia and the Pacific.