Political scientist Ruud Koole (Institute Political Science, Leiden University) has been appointed to a state commission that will investigate whether the Dutch parliamentary system and the parliamentary democracy need to be reformed.

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.

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…

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.

Overview of the CML reports

Promotor: G.A. van der Marel, Co-Promotor: J.D.C. Codée

Dit proefschrift beschrijft een collectie aan alternatieve strategieën voor het begrijpen, ontwerpen en toepassen van lipide nanosystemen, waarin de rol van de bio-nano interacties centraal staan. In het bijzonder wordt gekeken naar de interactie van RNA-lipide nanosystemen, bekend van de toepassing…

Two documents mark the birth of Leiden University.

Ewine van Dishoeck was broadly covered in national and international media with her prestigious Kavli prize for astrophysics. She won 1 million dollars voor her groundbreaking work on star and planet formation and on extraterrestrial life.

In order to attract and retain new talent, employers in the Zuidas business district of Amsterdam are increasing their support offered to parents and expectant parents. This includes funding sleep coaches, babysitters and fertility programmes for their staff. Professor of Economics Olaf van Vliet explains…

Vera van Noort, professor in Computational Systems Biology at the KU Leuven (Belgium), is appointed holder of the rotating chair “Van der Klaauw Professor” for the year 2015-2016 at the Institute of Biology. Holders of the chair bring inspiring research and teaching in theoretical biology to the University.…

The world is full of wars, and no war is without its dead. What happens to the bodies of fatal casualties of armed conflict? The winner of the faculty Jongbloed Thesis Prize 2015 is Welmoet Wels (Public International Law). Her thesis Dead body management in armed conflict: paradoxes in trying to do…

Hoe kan de City Deal Kennis Maken bijdragen aan het formuleren van maatschappelijk relevant onderzoek dat de stad in al haar diversiteit centraal stelt? In de stad Leiden zijn burgers momenteel maar in beperkte mate betrokken bij het bepalen van de agenda van de lokale City Deal Kennis Maken. Dit onderzoeksproject…

On 19 February 2019, Mirjam Sombroek-van Doorm defended her thesis 'Medisch beroepsgeheim en de zorgplicht van de arts bij kindermishandeling in de rechtsverhouding tussen arts, kind en ouders'. The doctoral research was supervised by Prof. dr. A.G. Castermans en Prof. mr. C.J.J.M. Stolker.

Op deze pagina vind je antwoorden op veelgestelde vragen.

Op donderdag 20 februari organiseert Universitaire Bibliotheken Leiden (UBL) een workshop over prenten en tekeningen uit de collecties. In de workshop toont conservator Jef Schaeps bijzondere, bekende en onbekende prenten en tekeningen. Sommige behoren tot de grootste kunstschatten van de bibliotheek…

Biology student Floris Bonnet is one of the winners of the Van Bergen Award for organising an International Ball. The award aims to promote contact between Dutch and international students at Leiden University in order to foster a better understanding of each other's cultures.

Over poep, pies en de beerput

Policy studies and interventions in the field of Youth

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.

A particular group of counter protesters have been sighted at numerous Black Lives Matter protests that were held in the United States. An extreme right movement known for its characteristic Hawaii Shirts and heavy weaponry that calls itself the Boogaloo Boys. Which is cause for concern among the American…

On the 3rd of April, Sebastiaan van der Lubben successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Sebastiaan on this achievement!

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.

University Lecturer Nadine Akkerman concluded her book tour for her book 'Invisible Agents' in England at the Hay Festival. At the festival, attended by almost four thousand people, Invisible Agents was one of the most discussed books and caught the attention of the national newspaper and The Times.

Uit onderzoek van Dagblad Parool, blijkt dat de Amsterdamse sportschool Saint & Stars zich mogelijk schuldig maakt aan arbeidsuitbuiting. ‘Als het kan worden bewezen komt je er niet makkelijk mee weg’, zegt Gerard Boot, hoogleraar Arbeidsrecht.

European product safety law is one of the focal points of internal market legislation.

Inaugural lecture

The BLRN members have published extensively in recent years. In addition to the BLRN book series, dissertations of BLRN members published in the E.M. Meijers Institute Series, you will find below a selection of our publications. For a more complete overview of publications of each BLRN member, please…

On 9 April 2020, Mohamed Azizi defended his thesis 'Reflecties op Wereldburgerschap: In de spiegel van Afghanistan en Nederland'. The doctoral research was supervised by Prof. P.B. Cliteur en Prof. W. Veugelers (Universiteit voor Humanistiek).

On 1 October 2020, Arianne de Leeuw defended her thesis 'Scheiding van zeggenschap en belang in de familiesfeer'. The doctoral research was supervised by Prof. F. Sonneveldt and Prof. A.O. Lubbers.

Bij de Universiteit Leiden zet onze Onderzoeksgroep violence and violence prevention zich in voor het bevorderen van kennis en begrip op het gebied van geweld en geweldpreventie door middel van interdisciplinaire wetenschappen en innovatieve methodologieën. Onze faculteitsleden zijn toonaangevende…

On 7 March 2019, Maria de Jong-de Kruijf defended her thesis 'Legitimiteit en rechtswaarborgen bij gesloten plaatsing van kinderen'. The doctoral research was supervised by Prof. mr. M.R. Bruning en Prof. mr. T. Liefaard.

PhD defence

Van Es is the successor to Professor Huijgen whose retirement is approaching after nearly 27 years’ professorship. This new appointment is from October 2022, but Van Es has been working at the faculty for some time.

In the podcast Het Geldspoor, Professor of Tax Law Jan van de Streek speaks about the profession of tax advisers. 'Tax consultants should take a firmer stance more often’, says Van de Streek.

In response to an news article that appeared in Dutch newspaper the 'NRC

Aid workers being summoned to appear before a court in Greece and more stringent rules for rescue boats in Italy. Is providing aid to asylum seekers being criminalised? There's no doubt about it, according to Joanne van der Leun and Peter Rodrigues.

Nico Schrijver professor emeritus in Public Law and State councillor at the Council of State has been appointed by the European Union and the United Kingdom as a member of the Arbitration Panel which is authorised to settle disputes on the EU-UK Withdrawal Agreement.

About the book

Patrick van der Meij has been appointed Professor of Criminal Law Practice at the Institute of Criminal Law and Criminology from 1 January 2024. This is an Endowed Chair established by the Professor A. E. J. Modderman Foundation, which is affiliated with Leiden University in order to boost research…

On Monday 8 April, a high-profile guest visited Leiden Law School. Dutch Minister for Foreign Trade and Development Cooperation Geoffrey van Leeuwen gave a powerful speech to students about defending our interests in all current global developments.

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

On Monday 9 September, the Dutch Scientific Council for Government Policy (WRR) published its report 'Voorbereidingen op digitale ontwrichting' (Preparing for digital disruption). The report shows that our infrastructure is not secure enough to withstand digital threats and that we are lacking a clear…

On 24 November 2022, Simone van der Hof delivered the annual Mulock Houwer Lecture. The title of the lecture was ‘Niet om de knikkers maar om het spel – Over de digitale versie van een vergeten kinderrecht’.

HZ Kenniscentrum Zeeuwse Samenleving doet op vraag van regionale overheden en maatschappelijke organisaties onderzoek naar actuele en maatschappelijke thema’s in de provincie Zeeland. De uitkomsten van onderzoeken en analyses worden gebruikt voor kennisopbouw en als basis voor beleidsopbouw en -ontwikkeling.…

Vandaag de dag liggen statistische methodes aan de grondslag van beslissingen in allerlei facetten van het leven, van de gezondheidszorg en agricultuur tot de financiële sector en marketing.

On November 9th, the students of NVIC visited the Dutch Embassy. Marwan Khalil and Imane Makouri, two students, share their experience:

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.