Erwin R. Tiongson is Professor in the Practice of International Affairs and Concentration Chair for International Development in the Master of Science in Foreign Service (MSFS) Program at Georgetown University's Walsh School of Foreign Service. He concurrently serves as Deputy Director of the MSFS Program.

Prior to joining Georgetown in 2014, Erwin was a Senior Economist at the World Bank and served in the Europe and Central Asia Region and, more recently, in the Latin America and Caribbean Region. He first joined the World Bank in 2003 through its Young Professionals Program. He also served as staff member of the International Monetary Fund from 1997-2003 and served as Associate Professor at the Asian Institute of Management from 2009-2011, where he remains a Nonresident Research Fellow. He is a Research Fellow of Das Institut zur Zukunft der Arbeit (IZA) (Institute for the Study of Labor) and External Research Fellow of the Centre for Research and Analysis of Migration (CReAM) at the University College London.

Erwin holds a Ph.D. and an M.Phil. in Economics from The George Washington University, an M.P.P. from Georgetown University, an M.A. in Economics from Fordham University, and a B.A. in Philosophy from the Ateneo de Manila University.