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Hartmut Lenz

Visiting Scholar 2022-2023 & 2009-2010

Residency Dates: September 1, 2022 - June 30, 2023


Hartmut Lenz

Hartmut Lenz is professor of international relations at Soka University of Tokyo, where he researches on issues of intergovernmental negotiations, conflict and cooperation, as well as regional integration. Previously, Lenz was a Leverhulme Fellow at London School of Economics and Political Science (LSE), and a post-doctoral fellow at Nuffield College at the University of Oxford.

During his time at the Minda de Gunzburg Center for European Studies (CES), Lenz will continue a project examining how government accountability affects the survival of democracies.


  • Professor of International Relations, Soka University of Tokyo
  • Visiting Scholar 2022-2023, Minda de Gunzburg Center for European Studies, Harvard University

Research Project

Institutional accountability and democratic survival


International Relations
European Politics

Areas of Expertise

Intergovernmental Negotiations
Bargaining Theory
Regional Integration
Conflict and Cooperation
Global Governance

Select Publications

Lenz, Hartmut. “Achieving Effective International Cooperation: How Institutional Formalization Shapes Intergovernmental Negotiations.” World Affairs 181, no. 2 (2021): 161–80.

Lenz, Hartmut. “Step by Step, Effects of Public Opinion on Intergovernmental Treaty Negotiations.” Politics & Policy 43, no. 4, 2020.