This month, it came out that a subdistrict court judge used ChatGPT to formulate a ruling. The judge included some text generated by the popular AI chatbot in his decision. This resulted in a lot of media commotion, raising doubts as to whether using ChatGPT in court is permissible and responsible.

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.

Pavel Durov, CEO of chat and messaging app Telegram, was arrested in France last week. The Russian tech billionaire flew into Paris by private jet and was arrested on suspicion of cybercrimes. Telegram allegedly facilitates criminal activities such as money laundering. This raises the question of how…

Europe is working full steam towards a digital identity for every EU citizen. And although it might be really useful to be able to hire a car everywhere in the EU with no hassles, Bart Custers, Professor of Law and Data Science at eLaw, the Center for Law and Digital Technologies, sees many loose ends.…

The more people are vaccinated, the more society can slowly reopen. Technological developments, like the Covid passport and other apps, can play a role in this. Artificial Intelligence could help greatly in developing the vaccine passport and the Covid-19 exposure notification app, Anne Meuwese and…

Governments are increasingly cracking down on tech companies like X, Telegram and Clearview that flout the law, with a fine, ban or criminal prosecution. In practice, however, this has little effect. A tougher stance is needed, argues Bart Custers, Professor of Law and Data Science at eLaw – Center…

Underneath you find more information on how our faculty works.

YAL organises young faculty lunches at all Leiden University faculties. Additionally, we organise young interfaculty lunches to bring together young academics from across the university.

Here is an interview of Susanna Lindberg made in 2023 by Bart Buseyne and Paul Cruysberghs and published in 2025 in La Deleuziana: « Il va falloir inventer » – Susanna Lindberg en conversation

Bart Schuurman, Assistant Professor at the Institute of Security and Global Affairs in The Hague, has received a Veni grant which will allow him to continue his research into the radicalisation of terrorists for the next three years. ‘In order to better understand terrorists, I will focus on the large…

The Public Prosecutor's Office (OM) and the Netherlands Forensic Institute (NFI) want to use private DNA databases for genealogical research in criminal investigations. The method could be used in serious criminal cases that have stalled and it is already being used in investigations abroad. Whether…

As of 1 July 2019, Bart Custers is appointed as Professor of Law and Data Science at Leiden University. The chair is established at eLaw, the center for Law and Digital Technologies at the Faculty of Law. Bart Custers will focus on the intersection of law and digital technologies, on the one hand on…

This August, the second edition of the Advanced Summer Programme

Do you want to make an impact in healthcare?

The Faculty of Social and Behavioural Sciences (FSW) offers an inspiring and competitive, international working and learning environment to around 1,025 staff and around 7,000 students from home and abroad on 13 bachelor's, master's and research master's programmes.

Burnout is on the increase. It is caused by group pressure, being ‘on’ all the time and asking too much of ourselves. Clinical psychologist Bart Verkuil advises lowering our expectations.

Leiden University is a unique international centre for the advanced study of languages, cultures, arts, and societies worldwide, in their historical contexts from prehistory to the present.

If you are interested in an academic programme, but do you not wish to complete the entire programme? Then, you can choose one of the many à la carte courses the Faculty of Humanities offers.

Meet our team

Knowledge security is essential to safeguard our intellectual assets, maintain trust with partners, and comply with legal and ethical standards.

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

The Faculty of Law is becoming more sustainable in many ways, both in teaching and research.

Are you curious of how the university and the faculty work? Read more about that on this page.

The D&I Expertise Office works closely with the faculties of Leiden University.

Would you like Leiden University to be a more open workplace that recognizes and rewards all contributions, and an institution that creates and shares knowledge more freely with society?

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

Drs. Bart Lenselink won the oral presentation at the LACDR Spring Symposium with his presentation “Predicting Drug Potency”.

The Netherlands sees thorny dilemmas placed with regard to the conviction of returning IS fighters. The Netherlands, like the other EU member states, does not respond to the Kurds' wish to take back 'their' Syrian people. Bart Schuurman, terrorism expert, states that an international tribunal, flanked…

Professor Jan-Bart Gewald has been appointed as the new director of the African Studies Centre in Leiden with effect from 1 September 2017, for a period of five years. Professor Gewald will succeed Ton Dietz, who will be retiring in September.

Together@FGGA – Together towards a safe, inclusive and balanced work environment

As of 1 September Jan-Bart Gewald has been appointed as Professor of Southern African History in the Leiden Institute for History, in conjunction with the African Studies Centre, Leiden.

The book “Becoming a European Homegrown Jihadist” of Dr. Bart Schuurman, Assistant Professor at Leiden University's Institute of Security and Global Affairs (ISGA), is published by Amsterdam University Press on 22 March 2018.

Since the beginning of September, it is a fact: our faculty has a new strategic plan. The plan outlines what we will collectively commit to in the coming years. Is that important? For sure, say our directors Suzanne van der Pluijm (Operations) and Bart de Smit (Education). ‘The purpose of a strategic…

Dr. Eduard Fosch-Villaronga and his supervisor Dr. Bart Custers received a Marie Skłodowska-Curie Action (MSCA) fund for research on legal and regulatory aspects of healthcare robot and artificial intelligence technologies.

On 27 September 2019, Bart Schuurman, Assistant Professor at the Institute of Security and Global Affairs spoke to Dutch regional newspaper 'de Gelderlander' about the decline in attention for jihadism.

Very little is known about the relationship between religion and the digital future. Bart Barendregt, Professor by special appointment Anthropology of Digital Diversity, is about to change that. He receives a Vici grant of 1.5 million euros from the NWO for his research project 'One between the Zeros,…

Ultimate beneficial owners (UBOs) of companies should have registered their information in the Dutch UBO register before 27 March 2022. The Dutch Minister of Finance saw no reason to postpone the deadline for registration, according to answers to parliamentary questions. In an article on the legal platform…

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

Stilzitten doet alumnus Bart Jansen niet graag. Zo geeft hij les in onder meer Nederland, Maleisië en Curaçao, houdt hij zich naast het recht ook graag bezig met kunst en mystiek en vindt hij naar eigen zeggen ‘alles wat fout gaat’ wel interessant aan de rechtsfilosofie. ‘Ik ben gek op veelzijdige mensen;…

Legal philosopher Bart Jansen teaches at universities around the world. In an interview two years ago, he spoke about his professional fascination for dictators and wars. Since then, the world has undergone major changes. High time for a follow-up interview.

Evidencing academic policy to everyday practice from the Erasmus COALITION project

Our mission: a positive impact. Our vision: community. By involving the world around us in our education and research we make a positive impact. We do this by applying Open Science.

Bart Schuurman, Assistant Professor at the Institute of Security and Global Affairs, discusses the development of the exchange of letters between Mohammed B. and ‘prisoner X’ and the usefulness of a separate terrorist department.

Most degree programmes at the Faculty of Social and Behavioural Sciences are based in the Pieter de la Court building on the Wassenaarseweg in Leiden. Besides this location, some degree programmes are based in The Hague, at Campus The Hague’s Wijnhaven building.

Bart Barendregt receives a Vici grant of 1.5 million euros from the NWO for his research project 'One between the Zeros, an Anthropology of Artificial Intelligence in Islam'.

The Faculty of Social and Behavioural Sciences provides its ca. 5000 students with a thorough education in the social and behavioural sciences. The student population is very diverse and international in nature.

The deans (chairs of the faculty boards) form the Board of Deans, which is chaired by the Rector Magnificus.

E-book on Inclusive student-centred pedagogies

The demolition of the high-rise building is ready. The remaining debris are removed and the area is cleared. For the demolition, the University applied the BREEAM evaluation method at the level of ‘Excellent’, which means that the demolition operations were carbon neutral and did not cause any form…

Researchers at eLaw contribute to groundbreaking volume on AI in radiology, offering legal and ethical frameworks, governance models, and solutions for responsible clinical integration.