John F. May, a Belgian national, is a Lead Demographer at the World Bank, and a specialist in population policies and programs. Prior to joining the World Bank in 1997, he worked on many population projects around the world for UNFPA, UNICEF, USAID, and the International Union for the Scientific Study of Population (IUSSP). He was posted in Haiti, West Indies, and New Caledonia, South Pacific for the United Nations. He came to the US in 1987 and was appointed Senior Scientist at The Futures Group International, a consulting firm offering services in population and HIV/AIDS modeling, policy, and program design. In 1991-1992, he spent a year as a Visiting Scholar at the Population Reference Bureau (PRB) and was a PRB Visiting Scholar again in 2006, 2007, and 2011. He is also an Adjunct Professor of Demography at Georgetown University, Washington, DC. He earned a BA in Modern History (1973) and a MA in Demography (1985) from the Catholic University of Louvain (Belgium), and a Doctorate in Demography (1996) from the University of Paris-V (Sorbonne).