Did he dare take a gamble with his PhD research? Jeroen Methorst didn’t have to think long about it. It could fail or turn out very well. The latter is the case. Methorst developed a computer system that helps researchers find the protein they need. ‘Our whole group is now using this program.’ Methorst…

What’s at stake at the NATO summit in The Hague? Three academics from Leiden share their insights.

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.

Researchers and policymakers are welcome to attend the AI & Society Conference in The Hague on Friday 23 June. The SAILS interdisciplinary research programme will be taking a nuanced look at the state of the art of AI technology. And offering fresh perspectives.

‘AI can’t do half as much as people think,’ says computer scientist and psychologist Roy de Kleijn. He tries to teach robots seemingly easy things, and keeps on discovering how smart human intelligence really is. Three things that computers are no way near doing.

He is always positive towards his students, helps them see the bigger picture of the programme, and tries to remind them that ‘a degree is an enormous opportunity to grow in directions that genuinely interest you.’ Thomas Moerland, assistant professor at LIACS, has been nominated for Lecturer of the…

Depression and anxiety disorders among youth are causing major problems worldwide. The mechanisms involved are still unknown, however. Moji Aghajani – Assistant Professor at the Institute of Education and Child Studies - aims to provide new insights with his research "Youth mental health meets big data…

Gianclaudio Malgieri, Associate Professor of Law and Technology at eLaw, was invited to speak at the third edition of the prestigious 'Privacy Symposium' in Venice on 11 June 2024.

Team Marketing at Leiden University is the central point of contact for everything related to recruiting bachelor’s and master’s students, both nationally and internationally. Activities are carried out in a data-driven, strategic, and creative way to strengthen the University’s brand and guide prospective…

A cancer pill, preferably without severe side effects, is something we’d all welcome. Is it a matter of time before such a pill is a reality? We put this question to three Leiden researchers and asked how they themselves are contributing to new cancer treatments.

Museum De Lakenhal issued an open call for creative solutions to the problem of growth addiction. From over 500 submissions, they selected 15 artworks for the exhibition 'If things grow wrong'. These include the creations of Leiden researchers Peter van der Putten and Evert Jan van Leeuwen.

Leiden physicists Carlo Beenakker and Bas Hensen receive 35 million euros in a consortium with researchers from QuTech and Delft University of Technology. They will investigate the fundamental limits of quantum physics.

In healthcare, gender and sex considerations are crucial because they affect individuals' health and disease differences. Yet, most algorithms deployed in the healthcare context lack close consideration of these aspects and do not account for bias detection. In their latest paper, Eduard Fosch-Villaronga,…

Dr Eduard Fosch-Villaronga, Assistant Professor at eLaw - Center for Law and Digital Technologies, and 8 partners have been awarded the project 'BIAS: Mitigating Diversity Biases in the Labour Market', a large €4.7M Horizon Europe grant.

Two of eLaw’s Advanced Masters students, Dimitra Laskari and Vasilis Xynoglas, presented their research on the Metaverse and Personal Digital Twins at the Neurocognition and the Reproduction of Space conference in Shanghai, China. The students presented on the rules for the Metaverse under the GDPR…

Leiden researchers Max van Duijn (Leiden Institute of Advanced Computer Science) and Vasilika Kosta (Leiden Law School, Europa Institute) will join The Young Academy (Royal Netherlands Academy of Arts and Sciences) KNAW)).

Wat als je advies zou kunnen krijgen van je toekomstige zelf? Jean-Louis van Gelder en zijn collega’s ontvangen een ERC Proof of Concept-beurs voor het project YourFutureU, waarin deelnemers gecoacht worden door een virtuele AI-versie hun toekomstige ‘ik’.

Leiden University strengthens the impact of its research through strategic collaborations and innovative themes. Here you will find more information about our vision on internationalisation and partnerships, as well as answers to questions such as: How do I benefit from the Leiden-Delft-Erasmus alliance?…

At our faculty, a great deal is happening in the area of educational development and innovation. We frequently participate in pilots and interfaculty collaborations, and many projects also emerge within our programmes thanks to the expertise and enthusiasm of our teachers. Do you have an idea of your…

As of April 2022, Mark de Rooij has been appointed SAILS Professor AI and Data Theory at the Institute of Psychology. This position will enable him to contribute to the goal of the interdisciplinary programme: to build on and expand the current expertise on AI within Leiden University, working from…

The 8th edition of the Brussels Privacy Symposium, co-organised in Brussels by the Future of Privacy Forum and the Brussels Privacy Hub on 7 October 2024, was a great success. More than 160 people from all over Europe and the world attended the event.

On 20 November 2025, eLaw hosted the second capacity-building session of the BIAS project, coinciding with the city’s first snowfall of the year. The training brought together HR practitioners, scholars, consultants, and policymakers to discuss the opportunities and challenges of using AI systems in…

Thomas Moerland studied medicine and mathematics in Leiden and has a lifelong fascination with the origins and workings of intelligence. He brought all that together in his popular science book Van IQ naar AI (From IQ to AI).

Siemens recently took over the Leiden software company Culgi, founded by professor and inventor J.G.E.M. (Hans) Fraaije. We spoke to him about the algorithm that made him successful, the role of a university in our society and his ambitions at Siemens. ‘I was looking for Siemens, and they were looking…

She develops algorithms that outperform leading optimization techniques and can be applied in many fields. For this work, Niki van Stein and her team have won the GECCO Humies Award. ‘With our method, we can create and refine algorithms for a wide range of applications—algorithms that are better than…

A Leiden-Delft-Erasmus research team has been awarded a LDE Global Support Grant to develop reusable algorithms in the remote detection of non-orthogonal architectural features, taking place in the archaeological context of the northern extremities of the Andean, part of the Istmo-Colombian Area.

Carlotta Rigotti, Postdoc researcher at eLaw, participated in the ‘Intersectional Fairness in AI: Legal Frameworks, Tools, and Learning Opportunities’ webinar on 10 December 2024.

From predicting Alzheimer’s to the growth of organisms: psychologist Marjolein Fokkema’s algorithms can be used in many disciplines. They also provide inspiration for her songs, theatre shows and life lessons. What drives this rocking researcher?

For decades, linguists have racked their brains over the question of precisely how the syntax of various languages is different. PhD candidate Martin Kroon has developed a computer system that brings us closer to finding an answer. His PhD defence is on 10 November.

Wat kun je als burger doen wanneer de overheid je persoonsgegevens gebruikt en daarmee besluiten neemt waar je het niet mee eens bent? Fatma Çapkurt promoveerde op een onderzoek hiernaar. Burgers moeten verwerking van hun gegevens beter kunnen beoordelen.

Thirteen teams of inventive staff rose to the challenge of creating brand-new AI applications to lighten their workload during the AI Cocreation Lab. At the closing ceremony in the Academy Building, participants showed their pitch films, and an expert jury announced the winning prototypes.

The EU proposal for a regulatory framework on artificial intelligence will not prevent the dangers of cybercrime or the spreading of fake news using ChatGPT. Cyber criminals can use the new technology to write harmful software, phishing mails and fake news.

Here you will find an overview of the course offerings for FGGA lecturers.

Research

Recently, Jaap van den Herik, professor emeritus Law and IT, was interviewed by the BNVKI (Benelux Association for Artificial Intelligence).

The fact that scientists are increasingly better able to access molecular cell and tissue data also brings with it a new challenge: how can scientists find the information they need for research among the vast amount of data available?

What began as a PhD project has grown into a website with 120,000 unique visitors each year. With the platform OpenML, researcher Jan van Rijn is contributing to open science, aiming to make machine learning more transparent, accessible, and fair.

There is something strange about that new student Angela Ignatius. She is brilliant, helpful and always available. She summarises teaching materials, helps with assignments and is even willing to write your thesis for you. But to what extent do you let her? It’s the big question in this – sometimes…

The Plants & Planets exhibition brings two worlds together in a dazzling mix of science, nature and art. It opens at Old Observatory Leiden and Hortus botanicus on 7 February.

The latest innovation in the field of urban mobility could soon be buzzing over our heads. For some, it’s a science fiction dream come true. For others, however, it’s an unwelcome intrusion. ‘It has the potential to be a major development.’

There were no bitcoins or artificial intelligence when our civil code was compiled. This could cause problems.

Care robots, medical treatments, deepfakes and self-driving cars all with the aid of artificial intelligence (AI). The BrAInpower exhibition at Rijksmuseum Boerhaave shows spectacular applications of AI and explains how it can make such huge leaps. Bas Haring, Professor of Public Understanding of Science,…

Students and researches from all faculties at Leiden University are warmly invited to a lunch meeting on Monday 14 October, discussing the rise of AI and the challenges this poses for various governance structures. The event is hosted by Leiden University’s interdisciplinary programmes GTGC and SAIL…