Since May 2024, Lukas Grundsfeld has worked as a research associate at the Center of International Relations. He joined the DFG-funded project "The Withdrawal of States from Regional Organizations: A Comparative Analysis" in November 2022. In his doctoral project, he focuses on the suspension of member states by regional international organizations under conditions of regime complexity. 

Lukas Grundsfeld studied Political Science and History (BA) as well as Peace Research and International Politics (MA) at the University of Tübingen and the University of Groningen. In July 2022, he completed his studies with a master's thesis on the relationship between the international society of states and armed non-state actors. 

During his studies, Lukas Grundsfeld worked as a tutor and research assistant at the University of Tübingen's Department of Political Science, among others in a BMBF-funded research project on security discourses and European cohesion. 

Research interest 

• Global Governance 
• International and regional organizations 
• Multilateral sanctions and suspensions 
• Norms research 
• Global order, sovereignty and international society 
• Constructivist, sociological, and practice-theoretical perspectives 
• Ontological security studies 
• Armed non-state actors 

Articles (with peer review)

• Diana Panke, Lukas Grundsfeld, Pawel Tverskoi (2025): Exit from Regime Complexity? Regional International Organizations Under Scrutiny. Global Studies Quarterly, 5(1), ksae078.

• Diana Panke, Lukas Grundsfeld, Pawel Tverskoi (forthcoming) Between Crisis and Revival: Withdrawal Threats, State Exits, and Institutional Change of Regional International Organizations, Politische Vierteljahresschrift.

Book chapters

• Diana Panke, Lukas Grundsfeld (2024): Epilogue—Responses to Brexit: insights from small EU member states and lessons for exits from other regional organizations. In: Laura C. Ferreira-Pereira (ed.) Small States of the European Union and Brexit. Abingdon: Routledge, 107-111.

Conference Contributions 

• Lukas Grundsfeld (2024): Cooperation or Obstruction? International Organizations and Suspensions of Member States under Regime Complexity. Papier vorgestellt auf der 65. Annual Convention der ISA, April 2024, San Francisco.
• Diana Panke, Lukas Grundsfeld und Pawel Tverskoi (2024): Resilience or Decline? Contestation of Community Norms in Regional International Organizations, Papier vorgestellt auf der 65. Annual Convention der ISA, April 2024, San Francisco.
• Lukas Grundsfeld (2024): It’s Complex(ity): Suspensions by Overlapping International Organizations, Papier vorgestellt auf der Early Career Tagung Internationale Beziehungen der DVPW, März 2024, Tutzing.
• Diana Panke, Lukas Grundsfeld und Pawel Tverskoi (2023): After the Pink Tide Ended: How Right-Wing Governments Challenge Left-Leaning Regional International Organizations in Latin America, Papier vorgestellt beim Kick-Off Workshop des ERC-Projekts ‘The Far Right and International Organizations’, November 2023, Frankfurt a.M. (zusammen mit Diana Panke und Pawel Tverskoi).
• Lukas Grundsfeld (2023): Cooperation or Conflict? Explaining Divergent Suspension Behavior of Overlapping RIOs, Papier vorgestellt auf der Jahrestagung der Themengruppe Internationale Organisation der DVPW, November 2023, Jena.
• Lukas Grundsfeld (2023): Reacting to Internal Contestation: Regional International Organizations and Suspensions of Member States, Papier vorgestellt auf der 16. Pan-European Conference on International Relations der EISA, September 2023, Potsdam.
• Diana Panke, Lukas Grundsfeld und Pawel Tverskoi (2023): 'Tomorrow I’ll Be Gone': Exit Threats as Contestations of Regional Organizations, Papier vorgestellt auf der 16. Pan-European Conference on International Relations der EISA, September 2023, Potsdam (zusammen mit Diana Panke und Pawel Tverskoi).
• Diana Panke, Lukas Grundsfeld und Pawel Tverskoi (2023): Beitrag zum Roundtable: Contestation in Prism: Patterns of Norm Evolution, Consolidation, and Decay, bei der 16. Pan-European Conference on International Relations der EISA, September 2023, Potsdam (zusammen mit Diana Panke und Pawel Tverskoi).
• Lukas Grundsfeld (2023): Studying Ontological (In)Security in Europe: Insights from Analyticism and Comparative Regionalism, Papier vorgestellt auf den 10. European Workshops in International Studies der EISA, Juli 2023, Amsterdam.
• Lukas Grundsfeld (2023): And Out Goes You! Why Regional International Organizations Differ in Suspending Member States, Papier vorgestellt auf der Offenen Sektionstagung Internationale Beziehungen der DVWP, Juni 2023, Friedrichshafen.
• Diana Panke, Lukas Grundsfeld und Pawel Tverskoi (2023): Time to Leave! Studying State Exits from Regional International Organizations, Papier vorgestellt auf der Offenen Sektionstagung Internationale Beziehungen der DVWP, Juni 2023, Friedrichshafen (zusammen mit Diana Panke und Pawel Tverskoi).
• Lukas Grundsfeld (2023): Regional Organizations and Suspensions: Responding to Member State Challenges, Papier vorgestellt auf der Jahrestagung des Arbeitskreises Europa- und Regionalismusforschung der DVPW, Mai 2023, Saarbrücken.
• Diana Panke, Lukas Grundsfeld und Pawel Tverskoi (2023): Between Crisis and Revival: The Effects of State Exits on Regional Organizations, Papier vorgestellt auf der Jahrestagung des Arbeitskreises Europa- und Regionalismusforschung der DVPW, Mai 2023, Saarbrücken (zusammen mit Diana Panke und Pawel Tverskoi).
• Diana Panke, Lukas Grundsfeld und Pawel Tverskoi (2023): Ending Cooperation: A Comparative Analysis of State Exits from Regional International Organizations, Papier vorgestellt auf der 64. Annual Convention der ISA, März 2023, Montréal (zusammen mit Diana Panke und Pawel Tverskoi).
• Lukas Grundsfeld (2023): You Have Been Suspended! Studying Suspensions of Member States by Regional International Organizations, Papier vorgestellt auf der Early Career Tagung Internationale Beziehungen der DVPW, Februar 2023, Tutzing.
• Lukas Grundsfeld (2022): International Society, Armed Non-State Actors, and Struggles About Global Order: The Case of the Taliban’s 2021 Capture of Kabul, Papier vorgestellt auf der 15. Pan-European Conference on International Relations der EISA, September 2022, Athen.
• Lukas Grundsfeld (2022): International Society and Armed Non-State Actors: Understandings of a Relationship Between Anarchy, Trusteeship, and Society, Papier vorgestellt auf der Early Career Tagung Internationale Beziehungen der DVPW, März 2022, Tutzing.
• Lukas Grundsfeld (2021): Anarchy, Trusteeship, Society: Understanding the UN’s Relationship with Armed Non-State Actors, Papier vorgestellt beim 11. UN Research Colloquium “Identity and Diversity” der DGVN, Oktober 2021, Kleve.