Universiteit Leiden

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Claire Vergerio

Assistant Professor

Dr. C. Vergerio
+31 71 527 5184

Claire Vergerio is an assistant professor of International Relations at the Institute of Political Science.

More information about Claire Vergerio

Claire Vergerio is an Assistant Professor of International Relations at the Institute of Political Science.

As a scholar of international relations, she works at the intersection of political thought, history, and international law. She is particularly interested in the regulation of warfare and its relationship to different visions of international order, as well as in the construction of the historical narratives that underpin the disciplines of International Law and International Relations. She is currently finalizing a book on the role played by the thought of Alberico Gentili, the sixteenth century jurist considered one of the founders of international law and of the classical laws of war, in the restriction of the legal right to wage war exclusively to sovereign states.

Additionally, Claire has had a long-standing interest in transitional justice and international criminal law. She was the Chief Editor of Oxford Transitional Justice Research, she worked on the Hissène Habré case during her time at Human Rights Watch, and she was a legal officer on a defense team before the International Criminal Tribunal for Rwanda. This practical involvement in international justice cases pertaining to post-conflict situations has constituted one of the key starting points of her historical investigations.

Before coming to Leiden, Claire studied at Brown University and at the University of Oxford, from which she received her DPhil in 2018. Her doctoral work has already won various awards, including Oxford University’s Winchester Thesis Prize, awarded annually to an outstanding thesis on international relations with particular reference to the area of human rights and fundamental freedoms. She has published her research in International Theory, the Journal of the History of International Law, and Millennium: Journal of International Studies.

***Please note that Claire will be on leave from Leiden University for the entire academic year 2019-2020. She will spend this time as a Fung Global Fellow at Princeton University, where she will be finalizing her book manuscript.

Curriculum vitae Claire Vergerio

PhD supervision

Claire Vergerio is available to supervise PhD students and invites PhD research proposals in the areas of:

  • international political thought
  • empire and international relations
  • history of international law

See for more information on PhD positions:

Institute of Political Science: PhD

Assistant Professor

  • Faculteit der Sociale Wetenschappen
  • Instituut Politieke Wetenschap

Work address

Turfmarkt 99
2511 DP The Hague
Room number 6.02



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