This winter the OZSW offers a special PhD-course in Political Philosophy. The course discusses state-of-the-art themes and developments in political philosophy, and acquaints students with a broad range of teachers in political philosophy in the Netherlands.

The Kalshoven-Gieskes Forum on International Humanitarian Law and the Grotius Centre for International Legal Studies hosted the second annual “International Humanitarian Law Clinic Exchange Conference”, from 8 to 14 December 2016, in The Hague. The idea to organize the conference stems from a collaboration…

Political scientists Tom Louwerse, Simon Otjes & Cynthia van Vonno introduce the Dutch Parliamentary Behaviour Dataset, a record of parliamentary (voting) behaviour in the Dutch Tweede Kamer (Second Chamber, House of Representatives) since 1945.

Political scientist Corinna Jentzsch (Leiden University) about the organisation of rebel and government auxiliaries in the civil war in Mozambique (1976–1992).

An experimental comparison of the impact of liberal norms on a population residing and socialised within a democracy (the Netherlands) with a population in an autocracy (China) and their respective supports for war with another state shows that the level of liberal norms in the democratic experimental…

This article 'Shaping the European External Action Service and its post-Lisbon crisis management structures: an assessment of the EU High Representatives’ political leadership' assesses the role, influence and core aspects of the EU High Representatives’ (HR/VPs) “political leadership” in the context…

Political scientist Nicolas Blarel (Leiden University) analyses the background and implications of India’s prime minister Narendra Modi’s visit to Israel.

Interview with political scientist Hans Vollaard (Leiden University) about “Nexit” speculations, the strengths and weaknesses of Geert Wilders’s Party for Freedom, and the general attitude towards Europe in the Netherlands.

India’s prime minister Narendra Modi admires Israel’s achievements, but structural differences between Indian and Israeli national security situations, differences in the leaders’ worldviews and the absence of a common enemy inhibits stronger strategic rapprochement, argues political scientist Nicolas…

Dutch election signals a return to the political centre, with voters seeking practical solutions both at home and across Europe. Bernard Steunenberg, Professor of Public Administration, cautions that losses for the PVV, the party of Geert Wilders, do not mean the far right has been defeated.

On 15 April 2019 upon the invitation of SIB-Amsterdam- Dutch United Nations Student Association Monika Baár gave a masterclass on the contemporary political situation in Austria and its historical antecedents.

Complex systems can be characterized as systems in which multiple components interact with each other, often in non-linear ways. The main goal of this research will be to investigate if and how the international tax system can be defined and modelled as a complex system. Approaching the international…

Peak Performance: Collaborative Crisis Management Before and During International Summits. This comparative case study probes into conditions for collaborative governance in the security organisation of international summits.

On 19 juni 2018 Matthew Gillett defended his doctoral thesis ‘Prosecuting environmental harm before the international criminal court’. His supervisor is prof. dr. L.J. van den Herik.

What does a political party do in the wake of a disastrous electoral defeat? Martijn van Nijnanten researched this and discovered that parties turn to core values from the past. PhD defence on 12 September.

On 8 September 2022, Valentina Carraro presented a paper during the annual conference of the Italian Political Science Association (SISP), Rome.

On 16 September, Valentina Carraro presented her work 'The Effects of Covid-19 on Violence' at the Conference of the Italian Political Science Association (SISP) in Genoa, Italy.

The Ghent Rolin-Jaequemyns International Law Institute (GRILI) is a research institute within the Faculty of Law at Ghent University. Founded in 2015 at the initiative of Prof. Tom Ruys, the Institute brings together the existing expertise within the law school in the broader international law domai…

Writing a master’s thesis in Political Science is a demanding yet rewarding journey. Every year, students deliver impressive research that showcases their analytical skills and academic rigor. This year, one thesis stood out for its exceptional quality. On 31 October 2025, during the master’s graduation…

A month after the event, we can say the inaugural lecture of Prof. Luuk van Middelaar on “The European Union and the politics of events”, on 23 September 2016, has obtained good coverage in the Dutch national media.

In this article, Seda Gürkan & Rosa Sanchez Salgado show which emotions the Members of European Parliament (MEP) expressed in the wake of Qatargate.

Antoaneta Dimitrova, Professor Comparative Governance at Leiden University, Honorata Mazepus, Assistant professor at Leiden University and Dimiter Toshkov, Associate Professor at Leiden University, together with three other authors researched which aspects of state capacity might contribute to opening…

Ramsey Albers wins Political Science Master’s Thesis Prize 2022

Political scientists study topics that affect society, but their work often remains out of the spotlight. Not always: the research of Leiden political scientist Simon Otjes does have a visible impact.

The International Court of Justice (ICJ) has commenced hearings on Israel’s ban on UN organisation UNRWA. Larissa van den Herik, Professor of Public International Law, commented on news programma NOS Nieuws.

We deeply cherish our natural and cultural World Heritage, so it seems; when historical monuments and sites are destroyed by war or natural disaster, we are mourning collectively. But what if this World Heritage status is not just a preservation label, but a smokescreen for social and political conflicts…

Beatrice Noun (alumna BA International Studies) currently lives in Paris and works for the World Bank as a consultant while doing a master’s degree at Sciences Po in International Development. We caught up with her and asked her a bunch of questions like which steps lead her to this career path? And…

On Monday 4 September, Professor Christopher Martinez, from the Universidad de Concepción (University of Concepción), Chile, was invited by the Department of Constitutional and Administrative Law to introduce his forthcoming book at our university.

Sometimes fascination can lead to in-depth research. Such is the case with Wahyu Widodo, who came across the Islamic Walikutuban ritual in Java in 2019, on which he subsequently wrote his PhD dissertation. Widodo: ‘Besides community, it also breeds political loyalty’

On Friday 29 August 2025, 370 students received their Bachelor's degree in International Studies. The diplomas were awarded in the historic setting of the Pieterskerk in Leiden. Family members, friends, and staff gathered to celebrate this joyous occasion with the graduates in a packed Pieterskerk.