On 10 March 2021, Pieter Huizing defended his thesis 'Parallel Enforcement of International Cartels and Its Impact on the Proportionality of Overall Punishment'. The doctoral thesis was supervised by Prof. T.R. Ottervanger.

Study in The Hague and gain the expertise to tackle challenges in security, sustainability and justice. Learn to navigate and influence today’s complex world.

This publication examines the issues regarding the cross-border resolution of financial institutions, focusing on the power allocation between the home and host resolution authorities, i.e. the jurisdiction rule.

Collaborating in drug discovery and health research was the goal of a visit to the Leiden Bio Science Park on 14 May by a Swedish delegation including His Majesty King Carl XVI Gustav of Sweden. The delegation visited Leiden University’s Faculty of Science.

A conference organized by Niels Blokker, professor of International Institutional Law and Ramses Wessel (RUG) to celebrate the 20th anniversary of the International Organizations Law Review.

From 15 to 20 November 2015 twelve members of the Winter-semester intake of theInternational Humanitarian Law Clinic of the Kalshoven-Gieskes Forum attended and actively participated in an international exchange conference on International Humanitarian Law at Radzyner Law School, IDC in Herzliya, Is…

On 18 March 2020, Hoko Horii defended her thesis ‘Child Marriage as a Choice. Rethinking agency in international human rights’. The doctoral research was supervised by prof. A.W. Bedner and prof. G.A. van Klinken.

Leiden University College The Hague (LUC) is the international Honours College of Leiden University and offers an innovative Liberal Arts & Sciences undergraduate programme to highly talented and motivated students from all over the world.

International Coalitions for Peace in the Era of Decolonization, 1918-1970

On 15 February 2024, Alexandros Sarris defended the thesis 'International Law and Governance of the Arctic in an Era of Climate Change'. The doctoral research was supervised by Nico Schrijver and Freya Baetens.

Large numbers of children all over the world face significant health risks, such as infectious and chronic diseases, malnutrition, injuries and the consequences of natural disasters, protracted armed conflicts and poverty.

PhD defence

On 10 June 2021, Merinda Stewart defended her thesis 'Freedom of Overflight: A Study of Coastal State Jurisdiction in International Airspace'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon en Prof. J.J. Rijpma.

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

How did disability become a global concern? In this project we will identify the contribution of international agencies, governmental and non-governmental organizations and, just as importantly, disabled people themselves, to the IYDP and by showing the connections, interactions and entanglements between…

This book presents an understanding of the concept of Countering Violent Extremism from a critical terrorism studies perspective using case studies from different countries while examining the issues it raises.

PhD defence

On Tuesday 17 October 2017 Alexandre Genest defended his PhD dissertation ‘Performance Requirement Prohibitions in International Investment Law’ as part of a double PhD programme at the Universities of Leiden and Ottawa. The Supervisors are Professors M.E. Koppenol-Laforce. F. Baetens (Universities…

Rutsel Martha, former Minister of Justice of the Dutch Antilles, former General Counsel of Interpol and alumnus of Universiteit Leiden, elaborated on the position of states and intergovernmental organizations (IGOs) in international financial law.

On 12 mei 2020, Darryl Robinson defended 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. The doctoral research was supervised by Prof. C. Stahn.

Together with Pepijn Tuinier and Thijs Brocades Zaalberg, Sebastiaan Rietjens researched the role of trust in an international intelligence cooperation.

In this article, the authors analyse two major factors that deepen informality, namely multipolar geopolitics and the rise of non-state actors.

Conference

Assessing the feasibility and legitimacy of the current model of global tax governance and the role of the OECD and EU in international tax law-making.

In 2020, Leiden University launched its stimulated interdisciplinary programs, including one focused on regenerative medicine.

In this article for Studies in Conflict & Terrorism, the authors analyse the evolution and interplay of national policies and international diplomacy on cyber terrorism within and across the UNSC’s permanent five members and the UN process on cyber norms (GGE and OEWG).

The corona crisis is also a disinformation crisis for the global community in general, and for the European Union (EU) in particular. What is less clear is how adequate the EU’s response to the ‘infodemic’ has been. This essay exposes the dangers of disinformation for the EU, which have intensified…

On Thursday 29 January 2026 Uğur Derin successfully defended a doctoral thesis and graduated.

The Board of Governors of Leiden University has confirmed the appointment of Professor André Gerrits (Institute for History, currently in the field of Russian Politics and History) to the field of International Studies and Global Politics, commencing October 1st 2015.

On 7 May 2020, Jolanda van der Vliet defended her thesis 'The International Legal Protection of Environmental Refugees. A human rights-based, security and State responsibility approach'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. J.J.C. Voorhoeve.

Gender sidestreaming? Analysing gender mainstreaming in national militaries and international peacekeeping

Organised in four separate sessions throughout the day, and broadcast live online to guests and families who could not join, a total of 260 students received their Bachelor’s Diploma of International Studies on 28 August 2020 at the graduation ceremony in the historic Pieterskerk in Leiden.

On 14 October 2019 the Institute of Security and Global Affairs (ISGA) convened a one-day International Business Diplomacy workshop, which was held under the auspices of The Hague Journal of Diplomacy.

What contributes to the successes and failures of governance networks in small to medium-sized Western European host cities in attracting International Organizations?

Covid-19 is een disruptieve ontwikkeling die hier en nu veel vraagt van zorgprofessionals, bestuurders en managers. Hoewel de crisis nog volop bezig is, is nu al duidelijk dat het Coronavirus een blijvende impact zal hebben op zorginstellingen en fundamentele vragen oproept over hoe we onze zorg optimaal…

The US attack and the arrest of Venezuelan President Maduro have raised questions worldwide. Two Leiden experts in international law, Anna Marhold and Jens Iverson of the Grotius Centre, told media outlets that this constitutes a violation of international law.