Tim gained his Ph.D. and M.Sc. from the University of Wisconsin-Madison, U.S.A., and B.A. from Seoul National University in Korea. Prior to joining Queen Mary, Tim was an Assistant Professor at Toulouse School of Economics, France from 2016 to 2018, and University of Mannheim, Germany from 2011 to 2016. Although primarily a macroeconomist, he combines data and methods from labour and public economics to study the dynamics of inequality, and how it is related to the education, occupations and industries. His work has been published in the Journal of Political Economy, the Economic Journal, and the Journal of Monetary Economics.