He is also a Research Fellow at the Centre interuniversitaire de recherche en économie quantitative (CIREQ), Researcher at the Center for Interuniversity Research and Analysis of Organizations (CIRANO), Academic Member at the McGill Centre for the Convergence of Health and Economics (MCCHE), Faculty Associate at the Canadian Centre for Health Economics (CCHE), and Associate Member at the Group for Research in Decision Analysis (GERAD). Nathan received his Ph.D and M.A. in Economics from the University of Toronto, where his doctoral studies were funded by the Social Sciences and Humanities Research Council of Canada (SSHRC), as well as the NET Institute summer research grant. Prior to his graduate studies, he received a B.Sc. in Mathematics from the University of Alberta. His main research interests are in quantitative marketing and empirical industrial organization.