What makes some international organisations more likely to succumb to crises where others manage to survive or even thrive? And what can international organisations do to become resilient and withstand existential challenges? Political Scientist Gisela Hirschmann (Leiden University) studied the example…

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How do commissions of inquiry operating in conflict situations utilize international law, and how can inquiry findings be utilized by other bodies belonging to the international legal community?

Are you thinking about studying International Relations? Learn more about the programme and watch the general introduction video.

Besides strengthening your personal connections, our alumni network can also provide you with up to date news, activities of interest to alumni and all sorts of academic and professional learning opportunities.

International partnerships in which Leiden University participates.

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members examine the sources, design, effects and contestation of norms, rules, institutionalised practices and formal organisations that operate across national…

Using the League of Nations’ responses to early crises as an explorative historical case study, Political Scientist Gisela Hirschmann investigates how international organisations perceive and respond to existential threats.

Are you considering starting a master’s programme in Psychology at Leiden University and are you planning on pursuing a career outside of the Netherlands? If so, then before your start your studies, make sure to check if your preferred country has special requirements to work as a psychologist, in…

Are you considering starting a master’s programme in Psychology at Leiden University and are you planning on pursuing a career outside of the Netherlands? If so, then before your start your studies, make sure to check if your preferred country has special requirements to work as a psychologist, in…

Are you considering a career outside of the Netherlands after following a Dutch bachelor ánd master programme? If so, then before your start your studies, make sure to check if your preferred country has special requirements to work as a psychologist, in addition to the Dutch title Master of Science…

Are you considering starting a master’s programme in Psychology at Leiden University and are you planning on pursuing a career outside of the Netherlands? If so, then before your start your studies, make sure to check if your preferred country has special requirements to work as a psychologist, in…

Are you considering starting a master’s programme in Psychology at Leiden University and are you planning on pursuing a career outside of the Netherlands? If so, then before your start your studies, make sure to check if your preferred country has special requirements to work as a psychologist, in…

Are you considering starting a master’s programme in Psychology at Leiden University and are you planning on pursuing a career outside of the Netherlands? If so, then before your start your studies, make sure to check if your preferred country has special requirements to work as a psychologist, in…

The international legal order is in a process of transformation. But how transforms globalization the international legal order? This research programme provides a clearer framework to analyze this..

This PhD dissertation examines international responsibility for the crime of aggression from a public international law perspective. Under customary international law, as well as the amendments to the Rome Statute of the International Criminal Court adopted in the Review Conference in Kampala in 2010,…

Almost a century passed since the much-celebrated judgement in the case concerning the Factory of Chorzów was delivered. This 1928 judgement of the Permanent Court of International Justice affirmed the essential principle of ‘reparation’ in international law, claiming that ‘restitution’ is the preferred…

Are you considering starting a master’s programme in Psychology at Leiden University and are you planning on pursuing a career in health care outside of the Netherlands? If so, then before your start your studies, make sure to check if your preferred country has special requirements to work as a psychologist,…

On Wednesday 13 December at 16.15 hrs René Hage will defend his doctoral thesis entitled ‘Handhaving van privaatrecht door toezichthouders’ (Enforcement of private law by regulatory authorities) at the Academy Building of Leiden University. His supervisors are Professor Jaap Hijma and Dr Iris Houben…

In this article, the authors explore how international criminal law is moving into a ‘post-critical’ phase and examine its potential for emancipatory reform.

The Private International Law Department provides academic education and performs research in the field of private international law.

We would all like to live in a world in which individuals feel safe, conflicts are resolved peacefully and the interests of future generations are taken into consideration. At Leiden University legal scholars investigate to what extent public international law meets the needs of a globalised society.…

How should the international community of states respond to genocide, war crimes and crimes against humanity? How can the perpetrators of international crimes be brought to justice? How can international crimes be prevented? How can the international community of states promote international consensus…

The Service Centre International Staff provides advice and different services to all international employees and guest researchers pursuing their academic careers in Leiden.

How can international investment law and arbitration take account of the public interest in, and more broadly, the public dimension of, the relations between foreign investors and host States ?

Understanding the complexities of world affairs requires an ability to think critically and to draw insights from a variety of perspectives, sources, and analytic frames. Leiden University’s Master of Arts in International Relations addresses these needs through distinctive humanities-based training…

By choosing Leiden University, you’ll be choosing to broaden your personal and academic horizons. You’ll be in excellent company too because you’ll be part of an inspiring community of students, lecturers and professors from all over the world. Founded in 1575, ours is the oldest university in the N…

This specialisation focuses on the interplay of international rules and institutions, non-governmental organisations, and national governments in an era of emerging powers, technological change and pressing issues of security, prosperity and sustainability.

This master’s programme focuses on understanding the causes and consequences of armed conflict between states and within states. In addition, we explore whether and how local, national and international actors and institutions can forge cooperation, prevent political and armed conflict from emerging,…