Professor Loewen is the Director of the Munk School of Global Affairs & Public Policy and is a Professor in the Department of Political Science at the University of Toronto. He is the Director of PEARL, Associate Director of the Schwartz Reisman Institute, a Senior Fellow at Massey College, a Fellow of Trinity College, and a Fellow with the Public Policy Forum.

Professor Loewen received his BA from Mount Allison University (2002) and his PhD from l’Université de Montréal (2008). He held postdoctoral fellowships at the University of British Columbia and the University of California at San Diego. Since joining the University of Toronto Mississauga in 2010, he has held visiting positions at the Melbourne School of Government at the University of Melbourne, the Center for the Study of Democratic Politics at Princeton University, the Center for Advanced Study in the Behavioral Sciences at Stanford University, and King's College London.

From 2016 to 2018, Professor Loewen was the Director of the School of Public Policy & Governance until it was amalgamated with the Munk School of Global Affairs to create the Munk School of Global Affairs & Public Policy. Professor Loewen’s work has been published in Proceedings of the National Academy of Sciences, Nature Medicine, Nature Human Behaviour, American Political Science Review, American Journal of Political Science, Journal of Politics, British Journal of Political Science, Political Research Quarterly, Transactions of the Royal Society B, and Journal of Economic Behavior and Organization, and other journals. He has edited four books and is a regular contributor to the media, including the New York Times, Washington Post, Globe & Mail, Toronto Star and National Post.