Start website main content


Lorenzo Gasbarri is Assistant Professor (RTDb) of International Law and Vice-coordinator of the PhD in Human Rights, Global Politics and Sustainability.

He has earned a PhD in International Law from the University of Milan, a Master in international law from the Graduate Institute of International and Development Studies, a Bachelor and Master in Legal Studies, and a Bachelor in Modern Literature from the University of Florence.

Lorenzo previously worked at Bocconi University, University College London, and the University of Helsinki. He was Visiting Professor at Central European University, and held research fellowships at the centre of excellence iCourts (University of Copenhagen) and at the Max Planck Institute for Comparative Public Law and International Law.

His research focuses on public international law, the law of international organizations, and human rights law. Lorenzo's first book, 'The Concept of an International Organization in International Law', was published in 2021 by Oxford University Press in the series Oxford Monographs in International Law and was mentioned among the Favourite Readings of 2021 by 'EJIL:Talk!'. In 2024, it was translated into Chinese and published by China Social Science Press.

The book provides a novel categorization of the existing views and notions of how international organizations are conceptualized in international law, and elaborates an original theory of their nature. He has also published numerous papers in leading journals, such as the European Journal of International Law and the International Organizations Law Review. His article 'The Notion of Institutional Practice in United Nations Law', published in 2021 by the Max Planck Yearbook of United Nation Law, received the 2022 SIDI Prize, awarded by the Italian Society of International Law.

He is convener of the interest group on international organizations of the European Society of International Law and member of the Italian Society of International law.


  • International Law
  • International Organizations
  • Human Rights