Ruud De Mooij is an advisor in the International Monetary Fund’s Fiscal Affairs Department, where he previously headed the Tax Policy Division. He has extensive experience in providing capacity development on tax policy issues in over 25 countries. Before joining the International Monetary Fund, De Mooij was a Professor of Public Economics at Erasmus University in Rotterdam, the Netherlands. He has published extensively on tax issues, including in the American Economic Review and the Journal of Public Economics. De Mooij is also a research fellow at the University of Oxford, the University of Bergen, ZEW in Mannheim, and member of the CESifo network in Munich.