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Leiden University guides PhD candidates step by step from the start to the defence. You will find more information here about admission, the PhD track, and completion, as well as answers to questions such as: what conditions must I meet? What requirements must my dissertation meet? And what is involved…

In the online panel discussion of ESOF 2022 ‘The effect of the online world on adolescents’, together with Amy Orben, Professor Eveline Crone, Sterre van Riel, Professor Anne-Laura van Harmelen and Professor Jan Sleutels, Professor Ton Liefaard shared his research on adolescents and the online world…

Do you wish to purchase or order something on behalf of the University? You need to take into account a number of procurement procedures. For example, the University makes use of framework contracts. Do you do need temporary staff? You can read all about it on the page of HR.

From self-driving cars to innovative drug development, artificial intelligence (AI) is going to fundamentally change our lives in a variety of ways.

Here you will find additional information about SOLO's services and links to useful websites.

Three PhD candidates from the Faculty of Humanities have successfully applied for funding from NWO for new PhD candidates. The three upcoming researchers will receive funding from the PhDs in Humanities programme. With the funding, NWO wants to boost the recruitment and advancement of young talent in…

In the event of full or partial occupational disability, your income may decrease. To help protect you against this risk, coverage for occupational disability is included in your standard ABP pension scheme. If you would like extra protection, you can take out supplementary occupation disability insurance…

Op vrijdag 28 maart vond de Thorbecke-lezing 2025 in Gent plaats, met als thema 'Thorbecke, Trump en de digitale toekomst van het goederenrecht'. Voorafgaand hielden studenten van de Universiteit Leiden en Gent een pleitwedstrijd over hetzelfde onderwerp.

Education

Anti-litter activist Dirk Groot photographed, tagged, and collected more than 400,000 pieces of litter in the Netherlands. Now, he and his data are included in a study on urban litter by researchers from Leiden University and Andrea Ballatore from Birkbeck, University of London.

On 2 December, the Municipality of Leiden will apologise for the role previous administrations played in colonialism and slavery. A further study will be carried out.

Eduard Fosch-Villaronga, Associate Professor at eLaw, presented his work on ‘Aligning rules and actions in digital innovation’ at the conference on Technology and Sustainable Development, This event explored whether technology can be used to fix the very problems caused by technology, encompassing social,…

Research

Leiden University is expanding its educational offering in The Hague with two Dutch-taught bachelor's programmes: Economie & Samenleving and Cybersecurity & Cybercrime. These programmes address current societal issues and provide students with the opportunity to combine different disciplines to solve…

Lecture

Preventing or delaying disease often requires lifestyle changes, which turns out to be difficult. Valentijn Visch and Sandra van Dijk are researching how to help people change their behaviour.

On 16 April 2021 the webinar ‘Children and young adults in contact with the law: Systemic vulnerabilities and institutional responses’ took place. In total 17 speakers and discussants engaged with the topic of vulnerability.

Education

Lecture

Lecture

Webinar, discussion

Interdisciplinary and transdisciplinary collaboration can be tricky. We don’t all speak the same ‘language’ or know how to find each other. At the Knowledge Orchard anniversary event on 28 November, academics made and strengthened connections.

Two researchers from the Faculty of Archaeology have received a grant from the Museums, Collections and Society (MSC) interdisciplinary programme. This grant is for collection-based research. Jason Laffoon is using his grant for research into the origins of Central American turquoise, while Dr Marike…

For decades, unmarried girls and women in the Netherlands were forced to give up their newborn children. The impact was profound and persists to this day for the mothers, fathers, relinquished children, and the adoptive families in which they were raised.

Cyber-attacks, privacy-related problems or failures in functioning: many technologies that are used every day have security issues that are solved when the software is already in use. A new interdisciplinary project, in which Olga Gadyatskaya, Harry Wijshoff, Alex Uta and Kristian Rietveld from the…

Arts and culture

The life cycle of comets near the star Beta Pictoris is similar to that of comets in our own solar system. This is the conclusion of a team of astronomers from the Netherlands, France and Brazil. It seems that, just like in our own solar system, there are fewer comets as the star gets older. The researchers,…

Leiden scholars succeeded in making Arabic accessible to Western academic communities as early as the sixteenth century. But how did they approach this problem?

Five lecturers from Leiden University have received a Comenius teaching award. With the grants they can carry out an innovation project.

It’ll be a sight to behold: 54 begowned beadles striding through the streets of Leiden. The beadles from 14 universities will gather in Leiden on 25 and 26 August for the 30th National Beadle Day.

Researchers from Leiden University have developed a method to predict which sellers will be successful in illegal online marketplaces. This could help the police track down big players on the dark web, the hidden part of the internet.

The touring exhibition 'Presenting with the city' has touched down in the Lipsius Building. In the presentation, students and researchers show how their research has contributed to the city.

American anthropologist Rosemary Joyce will be awarded an honorary doctorate from Leiden University on its Dies Natalis on 8 February. Joyce has delivered important new insights into the ancient Mayan cultures of Central America.

SEO en de Universiteit Leiden hebben de invoeringstoets van de Wet bescherming klokkenluiders (Wbk) uitgevoerd. Het doel van deze wet is opm melders van misstanden te beschermen. Op 3 maart is het rapport verstuurd naar de Tweede Kamer.

Dr. Sara Brandellero and Dr. Kamila Krakowska Rodrigues from Leiden University Centre for the Arts in Society will lead a collaborative research project funded by Horizon Europe Work Programme on Culture, Creativity and Inclusive Society. #DemocracyinAction studies arts and culture-based grassroots…

Europe's latest quantum computer is set to arrive in the Netherlands. The Dutch IT cooperative, SURF, which supports education and research institutions, has secured funding from the European EuroHPC programme to make this possible. Researchers from Leiden University will play a key role in the project,…

Maartje van der Woude, (Professor of Law & Society, Van Vollenhoven Institute, Leiden University) has received an NWO research grant. This year, 60 of these grants in the Domain of Social Sciences and Humanities were awarded by research funder NWO. It is a prestigious grant for research on a topic…

A collection of interviews from the oral history project "Storia de Nhas Pais" ("Story of my Parents") was handed over to the Rotterdam City Archive on 26 November 2021.

Carlotta Rigotti and Dr Eduard Fosch-Villaronga from Leiden University presented the Horizon Europe BIAS project and its preliminary findings on fairness and diversity biases of AI applications in the labour market during the 'Algorithms for Her?' conference.

The Grotius Centre for International Legal Studies is delighted to announce that Dr Farouk El-Hosseny will join the teaching staff as Visiting Assistant Professor of International Law.

What do we really know about educational quality and its measurement? This was the subject of the first Higher Education Knowledge Café.

Global warming, deforestation, nature conservation. All major environmental challenges that call for major measures. To see what the effects of these measures are, observation data from the Earth is used. Researchers at LIACS receive €90,000 from the European Space Agency (ESA). With this they are investigating…

The Netherlands is losing plant species that rely on pollination by insects. Leiden environmental scientist Kaixuan Pan demonstrates this after analysing 87 years of measurements from over 365,000 plots. The news is alarming for our biodiversity and food security. ‘75 per cent of our crops and 90% of…

The description of a painting directly affects how children look at that artwork. This was discovered by psychologist Francesco Walker in the Rijksmuseum. Another finding presented in his article in Nature - Scientific Reports is that giving children information intended for adults has the same effect…

The documentary ‘De Stem van het Kind’ (The Voice of the Child) gives an impressive insight into the work of juvenile court judges. Documentary maker Pieter Fleury, Professor of Children’s Rights Ton Liefaard and juvenile court judge Johan Visser worked together for the past seven years to make the…

Spui Campus, Leiden University’s fourth location in The Hague, will soon open its doors. The former V&D department store’s transformation into a university campus is becoming more visible by the week. Removal vans will soon be driving back and forth to move all the furniture there in time. The first…

Webinar with Q&A

On 11 January 2026, our esteemed and much-loved former colleague, Prof. Dr Marc Spijker, passed away.