Takuji Tanaka is Visiting Research Fellow at the Department of Politics and International Relations, Oxford University, and Professor at the Graduate School of Social Sciences, Hitotsubashi University (Japan). His research interests are comparative political economy, comparative politics of welfare state reforms, political theory of capitalism and state. His current research focuses on labor market dualization and politics dealing with dualization in Western Europe and Japan. His research also covers a comparison of welfare reforms in Europe and East Asia. He is the author of Poverty and Republic: Birth of the Concept of Social Solidarity in France (Jinbun Shoin, 2006, in Japanese, Award for Young Researcher of Japanese Society for the Study of Social Policy) and History of Welfare Politics: Democracy against Inequality (Keiso-Shobo, 2017, in Japanese, Sompo Japan Nipponkoa Welfare Foundation Award), and so on. He has been a Visiting Researcher at the Centre Maurice Halbwachs, CNRS (France, 2009.9-10) and Visiting Professor at the Munk School of International Affairs and Public Policy, University of Toronto (Canada, 2019.4-8).