William McGreevey is an Associate Professor at the Department of International Health, School of Nursing and Health Studies at Georgetown University where he teaches on the political economy of health and development. He is also a consulting economist providing services on international development and health issues to aids2031.

He has focused in recent years on strengthening health systems in developing countries, and on specific issues in the economics of HIV/AIDS and other infectious diseases. At the World Bank, 1980-97, he worked on poverty and living standards, urban, health, nutrition, and population projects, and managed training for Bank staff in these areas. He is an author or editor of three books and several dozen articles. He was chair of the Center for Latin American Studies and taught economic history at UC-Berkeley in the 1960s. Since coming to Washington DC in 1971, he has worked at the OAS, Smithsonian Institution, Battelle Memorial Institute, Population Council, World Bank, Futures Group, George Washington University, and Georgetown University.

He holds a Doctorate degree in Economics from the Massachusetts Institute of Technology and a Bachelor's degree in Economics with High Honors from Ohio State University.