Ken Tsutsumibayashi specializes in the history of political thought and comparative political theory. He holds a Ph.D. in History of Political Thought from the University of Cambridge, having also completed his M.Phil. there. His undergraduate studies were at Keio University, where he graduated from the Faculty of Economics. At Keio University, Tsutsumibayashi serves as a professor in the Department of Political Science and holds leadership roles as the Dean of both the Faculty of Law and the Graduate School of Law. His academic career includes positions as a research associate at the United Nations University Institute of Advanced Studies, as a visiting researcher at the École des Hautes Études en Sciences Sociales in Paris, and as a visiting fellow at Corpus Christi College in Oxford.
Achievements
■Political Thought of Benjamin Constant.
・The Idea-World of Benjamin Constant, Tokyo, Soubunsha, 2009
■Comparative Political Thought
・“Deparochializing Political Theory from the Far Eastern Province,” in Melissa Williams (ed), Deparochializing Political Theory, Cambridge University Press, 2020
・“What-Matters in Politics (1): Some Preliminary Thoughts on How to Think Globally About Politics and Political Thought,” Hogaku Kenkyu (Journal of Law, Politics and Sociology) 97-2 (2025), pp.1-35
■Politics and Technology
・“Anticipated Technological Breakthroughs and Their Possible Impact on Democratic Legitimacy: ELSI and the Political Implications of Neuroscience,” Hogaku Kenkyu (Journal of Law, Politics and Sociology) 96-6 (2023), pp. 71-100
Areas of Research
・Intellectual History/Political Theory
Social Contributions
・Fosters dialogue between Western and non-Western political theories, enhancing the understanding of political legitimacy and deliberative politics in the global context.
・Considers the impact of technology on democratic politics.