Aline Vidotto has been appointed professor of Stellar and Planetary Astrophysics at the Observatory from 1 February. Vidotto has been with the university for 3.5 years and for her, the appointment is ‘a milestone in her career.’

Academics from Leiden University have started a campaign against cuts at universities.

Leiden University Libraries (UBL) recently issued a new collection policy plan, containing priorities for the coming years regarding the formation, management, availability, and use of the UBL collection.

Students at research universities and universities of applied sciences are positive about their lecturers’ expertise and the atmosphere within their programmes. Almost one-third report experiencing excessive academic pressure. These are the findings of the 2026 National Student Survey.

A cap on the number of international students at the five broad-based Randstad universities will have a drastic effect on the Dutch economy. The gross domestic product (GDP) is expected to decline by approximately 4 to 5 billion euros. Regions, businesses and society as a whole will feel the consequ…

Interdisciplinarity is more than a buzzword in academia. It’s essential for tackling today’s biggest challenges. But what does it look like in practice? How can PhDs learn the skills needed to work across disciplines, and how can supervisors master the art of guiding them?

They were eagerly awaited: four letters from five ministers that should provide clarity on how to get us out of the nitrogen crisis. Nitrogen expert Jan Willem Erisman explains the plans. And says whether they will get us out of the nitrogen crisis.

The results of the Personnel Monitor 2022 are out. Now the ball is in all of our courts. What does the Monitor tell us and how can we act on it? I hope that as an organisation we can get a good dialogue going as the first step towards improvement.

Four female computer scientists share a common goal: to showcase the significant contributions of women in computer science and inspire their students. Together, they are organising this year’s Alice & Eve event, a one-day symposium dedicated to celebrating women in computer science. The event, scheduled…

It is a familiar phenomenon: you ask the assistant on your phone to call your mother, but it calls a friend instead. Tom Kouwenhoven, PhD student in the SAILS programme, investigates how humans and Artificial Intelligence (AI) can better communicate with each other, so that these kinds of situations…

Aram Segaar, Corporate Information Security Officer in the Information Management Department, works every day with his team to create and maintain a secure working environment at Leiden University. October is ‘Cybersecurity Month’. Aram explains how the university stays safe and the conscious (and unconscious)…

As well as offering students a first-rate education, Leiden University provides a wide range of training for professionals, so they can be lifelong learners. And that is not just of value to participants. ‘As a university, you start a dialogue with society to achieve better knowledge together.’

Effectively treating a severe case of pneumonia is often challenging. Identifying the pathogen behind it can be difficult. PhD candidate Ilona den Hartog tried something new: ‘We searched for answers in substances our own body produces.’ PhD defence on 17 September.

Leiden University has recently received various petitions from students and staff concerning our ties with Israeli universities. We have also held extensive discussions with the University Council in response to questions raised on the subject. We think it important that our partners and research projects…

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

The bodies representing student and staff interests met at the start of the academic year for a day of training. New and familiar faces had come together to learn more about their role as council members and meet the Executive Board − and each other.

Jasper Knoester, decaan van de Faculteit Wiskunde & Natuurwetenschappen, blikt terug op 2025 in "het jaar van Jasper".

Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…

In its Strategic Plan Leiden University sets its direction for the coming years. A new plan will be presented next year, and in the runup to this we are organising different forms of student and staff consultation within the scope of LDN FWD (‘Leiden Forward’). A series of meetings were recently held…

How do biological cells join forces to form a structure? In her PhD research, Daphne Nesenberend uses mathematics to show how forces and cooperation between cells create structure – and how simulations and experiments can reinforce each other.

The Ministry of Home Affairs and Kingdom Relations (BZK) is establishing two new professor chairs for the Kingdom.

On March 13, Dr. Erik Deul passed away at the age of 67. He leaves behind his wife Wilma, children Caroline and Wouter, and grandchildren Joris, Stach, Viggo, Archie and and a granddaughter expected later this year. Erik served as head of ICT at Leiden Observatory for 35 years, and later also at the…

Every year, Leiden University hosts the Annie Romein-Verschoor Lecture to mark International Women’s Day. This year, historian Nadia Bouras will speak about academic freedom, class and being a woman in academia. And that is just as relevant to men, says lecturer and organiser Looi van Kessel.

Organisation, Human resources

The Board of Governors is pleased to announce that Professor Cisca Wijmenga has been appointed by outgoing Minister of Education, Culture and Science Robbert Dijkgraaf as its new member.

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

As of 1 September, Martina Vijver is the new Scientific Director of the Institute of Environmental Sciences. She succeeds Arnold Tukker, who led the institute since 2013 and served the maximum term of two times four years. Vijver has been appointed for a period of four years.

Organisation, Social

ICT, Security

Organisation

In the new Annual Report 2022 we report on not only research and teaching at Leiden University but also ICT, real estate, personnel, finance, impact and knowledge transfer and more.

Since 1 November 2025, Prof. Dr. Luc Sels has been the new president of Leiden University's Executive Board. In a message to our university he introduces himself and shares his first impressions.

On Tuesday 25 November, Leiden University is holding the first of four sessions on ‘Building Academic Freedom’. Students and staff are invited to a conversation about today’s hot-button issues.

From 1 August, Hermen Jan Hupkes has been appointed Professor of Non-Linear Analysis at the Mathematical Institute. 'Initially I don't think that much will change,' Hupkes says. 'My research and supervising future researchers will continue as before.'

He had been back from Australia for less than 48 hours, but there was no sign of that. Michel Mandjes of MI had the honor of kicking off the very first Tuesday Talks: Science Insights on Tuesday. He did so with a presentation on complex networks.

The third edition of the Krijn Rietveld Memorial Innovation Award was won by Anne Dirkson, former LIACS PhD student. During her PhD she researched the automatic collection of patient experiences from online forums. ‘With this work, Anne has shown how the exchange of knowledge between medical professionals,…

The winner of the 2022 Spring edition of the NWO Venture Challenge was announced during the Dutch Biotech Event. The innovative startup Iprotics has developed specific proteasome inhibitors that potentially treat multiple myeloma (MM) without the side-effects known from traditional proteasome inhibi…

Did you know that each year 18 billion animals die without making it to someone’s plate? Governance of Sustainability alumna Juliane Klaura has won the second prize for her thesis about the environmental impact of global food production. She won the prize at the university-wide master thesis award event,…

It was with great sadness that on 17 May 2021 we learned of the death of our dear colleague Paul Valk. Paul died from the consequences of COVID-19, having been diagnosed with coronavirus over three weeks ago. Soon after this he was admitted to intensive care, where he was kept in an induced coma on…

During the Opening of the Academic Year 2024-2025, we asked guests for their wishes and ideas for Leiden University's anniversary year in 2025.

On April 1, Marco Spruit, Professor of Advanced Data Science in Population Health at the Leiden University Medical Center (LUMC) and the Leiden Institute of Advanced Computer Science (LIACS), will deliver his inaugural lecture ‘Translational Data Science in Population Health’. Spruit will use the opportunity…

Which teacher knows best how to inspire their students? Carmen van den Bergh (Humanities), Egbert Koops (Law) and Arjan Louwen (Archaeology) have been nominated for the 2025 Leiden Teaching Prize.

Aske Plaat is the scientific director of LIACS, the Leiden Institute of Advanced Computer Systems. He is also an ambassador for Leiden University's LGBT+ Network. His enthusiasm shines through when he explains why.

Professor Sarah de Rijcke became the new Rector Magnificus of Leiden University on 15 January 2026. She introduces herself and shares what motivates her to take on this role.

How can humans and computers learn from data? To research this, scientists often use so-called Bayesian methods. Although these methods are widely used, they also have limitations and are not always easy to interpret. In her dissertation Rianne de Heide describes some of these problems and introduces…

Bachelor student Douwe Remmelts passed away on April 30.

As the end of the year approaches, the new University Sports Centre (USC) building is nearing completion. Vice-President of the Executive Board Timo Kos visited the USC, which celebrates its 55th anniversary this year, to see how work is progressing.

Frans de Haas, professor of Ancient and Medieval Philosophy and Director of the Dutch Research School of Philosophy, will join the management team of the MI on a temporary basis, in any event until 1 January 2022, in the role of Scientific Director-Change Manager.

On 8 February, the Universities of the Netherlands (UNL) published the measures that universities themselves are intending to take to manage the influx of international students and enhance the Dutch language skills of lecturers and students.

Three Leiden students will be sharing their knowledge of history while playing video games. The livestreams are part of the ‘Streaming the Past’ project and will be available on the popular streaming platform Twitch. The first livestream will be on Thursday 20 May.