Ajay Tandon is currently Lead Economist with the World Bank based in Washington, DC. He works on several countries including most recently on India, Indonesia, Bhutan, Laos, and the Philippines. He received a PhD in economics from Virginia Tech with a dissertation that focused on the intersection of macroeconomics and population dynamics. Previously, over 2004-2007, he worked with the research department of the Asian Development Bank in Manila where he worked on issues related to human development. He also worked with the Evidence and Information for Policy department of the World Health Organization in Geneva from 1998-2003, primarily on measurement challenges including those related to correcting biases in self-reported responses in household survey data and on health system performance. He has held visiting research appointments at both Oxford University and Harvard University. He has written several publications on the issues of statistical methodology, health systems efficiency, health financing, domestic resource mobilization, and universal health coverage. He is co-author of several books, including most recently of ‘Going Universal: How 24 Countries Are Implementing Universal Health Coverage from the Bottom-up’.