On 22 June 2018, Prime Minister Rutte announced that Jaap de Hoop Scheffer, Professor of International Relations and Diplomatic Practices at the Institute of Security and Global Affairs (ISGA), together with former ministers Sybilla Dekker and Winnie Sorgdrager, will become Minister of State.

This month Johan Christensen, assistant professor at the Institute of Public Administration, published his new book: ‘The Power of Economists within the State’. The book explores four countries, Denmark, Ireland, Norway and New Zealand and analyses why these similarly sized and wealthy countries have…

From 26 to 30 June 2017 a summer course on Europeanisation of administrative law in the Member States of the European Union will be held by the Department of Constitutional and Administrative Law.

In general, there are significant health disparities between people with low and high incomes, particularly in countries with an extensive welfare state like the Netherlands. PhD candidate Janna Goijaerts researched how the organisation of the welfare state affects the health of vulnerable people.

Residents of Bonaire believe the Dutch government should do more to combat climate change on their island. On their behalf, Greenpeace is taking the Dutch State to court. External PhD candidate Sjoerd Lopik discussed the case on Dutch Radio 1.

De discussie over de sluiting van illegale schietbanen van Defensie, als gevolg van de stikstofwetgeving is ingewikkeld en omvat diverse juridische aspecten. Armin Cuyvers, hoogleraar Europeesrecht, bespreekt de zaak in BNR-Nieuwsradio.

About the book

On 24 April 2025, political scientist Pawan Kumar Sen will defend his PhD dissertation,

The mycorrhizal symbiosis is among the most widespread species interactions on Earth⁠. This thesis focuses on orchid mycorrhiza, a unique mycorrhizal type that has caught scientists’ attention for centuries⁠.

The crisis in Iran seems to have settled and both countries are claiming victory. The Americans say that they taught Iran a lesson, but Iran projects the contradictory. Now, who is right? On Thursday 9th January, Bert Koenders commented on this on BNR News Radio.

Political scientist Nicolas Blarel (Leiden University) analsyses how non-state actors can (directly or directly) attempt to provoke conditions for a crisis between state actors that have nuclear capabilities. He argues that there is an urgent but complicated and understudied task to understand and manage…

In November 2022, at the request of the House of Representatives, the Dutch Government established the State Commission on the Rule of Law.

Following developments in the US, the EU has now also opened the door for large-scale State aid to its own sustainable industries. A means to curb China’s power. However, this plan is driving the EU and the US apart.

Promotor: Prof.dr. E. R. Eliel, Co-Promotor: M.J.A. de Dood

Wat zie jij als je verderkijkt? Hoe ziet studeren aan de Universiteit Leiden in 2075 eruit? We nodigen je uit om mee te doen met Verderkijkers.

The rise of populist parties, the expansion of the role of the state and now the fragmentation of the Senate and the House of Representatives: Dutch political reality has changed rapidly over recent decades. These developments are in stark contrast to Dutch constitutional law that has remained almost…

Individual traders should be at the forefront of the study of early modern world trade rather than institutions such as states and companies, argues Professor of Global Economic Networks Cátia Antunes. Inaugural lecture on 9 June.

On Thursday 24 May 2018, Tanja Masson-Zwaan of Leiden University’s International Institute of Air and Space Law and Prof Mahulena Hofmann of the University of Luxembourg had the honour of addressing the King and Queen of the Netherlands and the Grand-Duc and Grand-Duchess of Luxembourg during the State…

How can we understand the encounter between communities active in sustainability initiatives and governmental agents at the multiple institutional layers in the Netherlands?

State Secretary Sander Dekker of Education, Culture and Science received the national research agenda Nature4Life on 31 January. This research agenda, in which Leiden University is involved, focuses on research on biodiversity, ecology and evolution.

Decentralized plug and play systems for energy production are the future picture of our society. Artificial photosynthetic systems are used for this purpose.

Riese presented on 3 December 2018 the reason of state as the preservation of the state through exceptional measures.

Tom Long (2022). A Small State’s Guide to Influence in World Politics. Oxford University Press. ISBN: 9780190926212, 240 pp. (hardback), £19.99.

A PhD candidate from the Van Vollenhoven Institute, Maryla Klajn, was recently invited as one of the speakers to the 'Unwanted Citizens of EU Member States’ conference, which took place in Liverpool on August 27th, 2019.

On Monday December 17th the ILS 2.0, SOLID project will hold an afternoon Symposium on ‘Challenges to European Integration: welfare states and free movement in the EU’ from 11.45 – 16.30. The symposium will take place in room A.014 at the Kamerlingh Onnes Building (Steenschuur 25) of Leiden Law Scho…

An analysis of people’s access to justice and the working of (legal) institutions in post-conflict, democratic Libya

Irene Moretti published the article Kin Enough in Social Analysis, The International Journal of Anthropology.

Faced with warfare on the European continent and growing Sino-American geopolitical disputes, the EU’s rising use of sanctions and attention to economic security call for a better diplomatic understanding of how state-market actor-networks are assets of modern foreign and security policy.

On Friday 3 February, Minister Bruins Slot of the Interior and Kingdom Relations appointed Fatma Çapkurt, of the Department of Constitutional and Administrative Law, to the Dutch State Committee on the Rule of Law. Chaired by Henk Kummeling, Rector Magnificus of Utrecht University, this State Committee…

The directorate of the Netherlands Research School for Astronomy (NOVA) has two new members. Ronald Stark (currently at NWO) will be the new Executive Director of NOVA from 1 September. Amina Helmi (Professor of Dynamics, structure and formation of the Milky Way at the University of Groningen) will…

As of 1 June 2018 Olaf van Vliet has been appointed as Professor of Comparative Welfare State Analysis at Leiden University. The Endowed Chair in Comparative Welfare State Analysis is supported by Instituut Gak. This chair is embedded in both the Department of Economics (Leiden Law School) and the Institute…

The Member States of the European Union do not intervene when a Member State disrespects the values of the European Union, Judith Sargentini, member of the GroenLinks party at the European Parliament, said at the annual Europa Lecture on 9 May in the Lorentzzaal of the KOG Building.

On 1 December 2023, Fatma Çapkurt was appointed as deputy chair of the State Committee on the Rule of Law.

Claire Vergerio, political scientist at Leiden University, has been awarded a VENI grant by Dutch research organisation NWO. This will allow her to conduct an in-depth analysis of the legal rights and duties of non-state actors involved in warfare. The aim is to tackle some persistent blindspots in…

What has European integration meant for the role and powers of Heads of State? And what should it mean, both at the EU and at the national level?

The new special issue on non-western non-state diplomacy, edited by Natalia Grincheva and Robert Kelley, is available online now and contains two Forum essays, four articles and two book reviews.

On the 28th of January 2019 Beryl ter Haar gave an introductory lecture on EU labour law concerning collective redundancies and working time. Both are core issues of this year's case for the Hugo Sinzheimer Moot Court Competition.

Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: S. Ioppolo, H.M. Cuppen

On 6 June 2023, Melanie Fink gave a ‘conférence’ at the University of Liège, Belgium in the context of its EU Studies Seminar Cycle, organised by Ljupcho Grozdanovski.

On 12 September 2019, Judge Chile Eboe-Osuji, President of the International Criminal Court (ICC), delivered a lecture on Customary International Criminal Law and Head of State Immunity to open the academic year for the Advanced LL.M. Programmes in Public International Law & International Dispute Settlement…

In this video, Natalia Grincheva introduces the topics discussed in the journal's latest Special Issue.

Leiden alumni find work in all kinds of interesting places. We gather the stories of our alumni and publish then regularly in our alumni newsletter and in Leidraad magazine. You can find all their stories on this page. They give a good impression of what life is like for Leiden alumni after they have…

In 2012, Swedish power company Vattenfall went to an investor-state tribunal in response to the decision of Germany to close three Vattenfall nuclear power plants on its territory. The tribunal now has to decide whether Germany’s decision is in accordance with the international Energy Charter Treaty.…

Dr Brian McGarry, Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies, addressed the International Tribunal for the Law of the Sea in the world's first advisory proceedings concerning climate change. His advocacy for the Commission of Small Island States…

Kutsal Yesilkagit, Professor of International Governance at the Institute of Public Administration, has been appointed by Minister Bruins Slot of the Interior and Kingdom Relations as a member of the State Commission on the Rule of Law, which was established in November 2022.

From 26-30 June 2017 the first edition of the summer course on the Europeanisation of administrative law in the EU Member States took place in The Hague.