Davidson Gwatkin is a Senior Associate at the Johns Hopkins Bloomberg School of Public Health. He serves as an adviser on health and poverty to the World Bank, UNICEF, and other agencies. From 2000-03, he was the World Bank’s Principal Health and Poverty Specialist. Before joining the Bank, he had directed the International Health Policy Program, a cooperative effort between two American foundations, the World Bank, and the World Health Organizations to strengthen health policy research capacity in Africa and Asia. He had previously been with the Ford Foundation in New Delhi, New York, and Lagos; and with the Overseas Development Council in Washington, D.C.