Ríán Derrig

Ríán Derrig is an Assistant Professor at the WMU-Sasakawa Global Ocean Institute, World Maritime University, specializing in law of the sea and international law. His research explores redistribution through international law, legal theory, and social science methodologies.

• Ph.D., European University Institute, Florence
• LL.M. (Comparative, European and International Laws), European University Institute
• LL.M. (Public International Law, with Distinction), London School of Economics and Political Science
• LL.B. (Law and Political Science), Trinity College Dublin

Ríán’s work focuses on the law of the sea, legal philosophy, and interdisciplinary approaches to international law. He authored the book The New Haven School: American International Law (2025) and has published in journals like the European Journal of International Law and the International Journal of Marine and Coastal Law.

He is co-principal investigator for the Ireland & WMU-GOI BBNJ Clinic and the Future Ocean Programme, providing expert legal advice to state delegations and drafting legislation on law of the sea topics. He contributes to the Irish Yearbook of International Law and participates in legal blogs such as Opinio Juris and EJIL:Talk!.

• 2018 Young Scholar Prize of the European Society of International Law
• 2020 Antonio Cassese Prize