Thomas Cornelissen is a Professor of Economics at the University of Essex, United Kingdom. He works in the fields of empirical labour economics and applied microeconometrics, in particular in the economics of education and personnel economics. His current research interests include topics such as peer effects among co-workers, local labor market effects of immigration, and of taxation, and spatial spillovers of violent conflict on health and human capital. His works have in published among others in American Economic Review, Journal of Political Economy, American Economic Journal: Economic Policy, Labour Economics, Journal of Health Economics, Journal of Economic Behavior & Organization, Economics of Education Review, Economics Letters, The Stata Journal, and German Economic Review. Thomas is also a research fellow at the Centre of Research and Analysis of Migration (CReAM) and of the Institute of Labor Economics (IZA).