He was a popular face in the Leiden student world and even developed his own merchandise, but all good things come to an end. After seven years, community support officer Dennis Perdok (49) is leaving this role. Last week he bid farewell to the police and to his job in Leiden’s city centre.

Thursday 15 January starts with a long journey and ends with an equally long working day full of current issues. Jasper visits the Mathematical Institute with the scientific directors of our faculty and attends a meeting on collaboration with the Ministry of defence.

How do we know what a quantum computer is good for when it hasn't been built yet? That's what PhD candidate Casper Gyurik investigated by combining two terms you often hear: quantum computing and machine learning.

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

At a work meal HR Policy Adviser Petra Boerlage and Associate Professor Robert Stein got talking about the ‘worlds’ of academic and support staff: are they really that different, they wondered. And wouldn’t it be good if staff knew more about each other? The two put their money where their mouths are…

De Faculteit Archeologie bestaat dit jaar 25 jaar. Ter ere van dit jubileum opende de faculteit op 1 maart zijn deuren voor het brede publiek.

Each research institute has its own dynamic. The Executive Board is visiting our institutes to find out what they are up to. On 24 June, it was the turn of the Institute for History. ‘History helps us make sense the present, whether through family stories, local issues or world politics.’

A star does not just appear in the sky overnight. Its creation takes tens of thousands of years. Twenty years ago, astronomers took a picture of a star in its birth phase. The James Webb Space Telescope (JWST) could now capture that same star in much greater detail. This does not only provide beautiful…

Eight Leiden University research teams recently received €15,000 each to take their research to the next level through Una Europa. Dario Fazzi, one of the selected researchers and professor of Transatlantic Environmental History, shares how Una Europa helps him expand a Leiden-based project into a international…

‘We may have taken steps together, but there is still much to do in the fight against racism and discrimination’, says Annetje Ottow, President of Leiden University’s Executive Board. ‘We have to be aware of this and continue to focus on this difficult, uncomfortable and often confronting topic.’

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Since 1 October, Sabina Chiță has been working as a coach for first-generation students in Physics. But who are first-generation students, and why might they need a coach? Six questions to Sabina Chiță.

A group of astronomers led by Leiden PhD student Sebastian Zieba has discovered using the James Webb Space Telescope (JWST) that the rocky exoplanet TRAPPIST-1 c has a thin atmosphere. Although the planet is nearly identical to Venus in size and temperature, and was expected to have a thick atmosphere,…

The university is home to many pearls of research institutes that do not make the news every day. The Executive Board visited one such pearl, the Institute of Philosophy, on Tuesday 1 July. It resulted in an inspired conversation.

Educational innovation provides both opportunities and challenges for lecturers. How do you put your innovative ideas into practice or how do you choose the right learning resources for your teaching? From now on, lecturers can go for support and inspiration to the new Leiden Learning & Innovation Centre…

Over 40 hard-working programme directors and chairs met for the first time in the Academy Building on 27 October to exchange knowledge and experience and gain new inspiration. Rector Magnificus Hester Bijl opened the meeting with an update on strategic developments in higher education.

How do you know if your idea has succeeded? The Queen coming to call a year and a half later might just be a clue. This happened to the Leiden student foundation ‘Door Het Geluid’, which promotes student well-being.

Taking a Bachelor’s in Security Studies while starting and running two businesses: student Mohamed Sulaiman never stops. But he wouldn’t have it any other way. PLNT The Hague entrepreneurs’ hub is a source of help and inspiration.

Are you OK? This question aims to help make unwelcome behaviour easier to talk about. Student rowing club Pelargos made a personal variant on the national campaign, which won them Leiden University’s Well-being Award.

And the construction has started! Students of the Leiden Science study associations ceremoniously hammered down the first poles of the new Gorlaeus on Tuesday morning. By doing so, they initiated the second phase of the construction of the second part of the new building.

In a supplementary decision on 17 May 2022, the Executive Board of Leiden University has concluded that it will publish the titles of seven articles in which there is evidence of malpractice. This concerns a former staff member of the Institute of Psychology. The Executive Board considers it to be in…

The newly launched Public Leadership in Collaboration partnership has been designed to enhance leadership within and across public sector organisations through research. This kind of leadership has a direct impact on society. Professor Ben Kuipers from the Leiden Leadership Centre (LLC) shares three…

Joey Zuijdervelt

Reserve a seat, pack a nice lunch and leave a little extra time if you need to change trains. These tips come from colleagues who recently travelled by train for work. They found it a comfortable, productive and greener way to travel. ‘Just give it a try, to me it’s not very different from working from…

How can parents avoid passing on stress and mental health problems to their children? Professor of Stress-Related Psychopathology Bernet Elzinga develops simple interventions to help both parents and young people. For her research, she has been awarded the Spinoza Prize, the highest academic honour…

The sustainable production of hydrogen could potentially be made more efficient by adding a cleverly chosen salt to the process. Researchers at the Leiden Institute of Chemistry (LIC), in collaboration with physicists at the University of Twente, have discovered that the type of salt present in the…

Fifteen passionate lecturers from Leiden University were awarded the Senior Teaching Qualification (SKO) on Thursday 27 January. One of them is Frank Takes, as of 1 February Associate Professor of Computer Science. For him the SKO was a good opportunity to reflect on how he teaches.

Eight scientists from Leiden University have been awarded a grant by the Dutch Research Council (NWO). With this Vidi funding, the researchers can set up an innovative line of research and further expand their own research group over the next five years.

Alumnus Anoma van der Veere did Japanese studies and talks in this interview about his studies in Leiden and his work as a researcher at the Leiden Asia Centre and as Japanese correspondent in Tokyo.

On January 1st Jasper Knoester started as our new dean. How is he doing? What exactly does he do? And what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

Inequality could be addressed in the classroom without taking too much time, effort or money. By making one small change, teachers can make a big difference, says Professor by Special Appointment in Equal Educational Opportunities Lisa Gaikhorst in her inaugural lecture.

From research on stellar winds to sign language: an impressive seven researchers from Leiden University will receive a prestigious Vici grant from the Dutch Research Council (NWO).

How do you achieve the structural change needed for a more inclusive university community? What challenges do female staff face in their careers and what does it take to be a woman in a leadership role? This is what over 40 female staff members from the university discussed on International Women’s…

The book ‘Geleerde Zorgen: twee eeuwen academische geneeskunde in Leiden’ (‘Learned Care: two centuries of academic medicine in Leiden’) was presented on 16 December to Annetje Ottow (President of the Executive Board of Leiden University) and Pancras Hogendoorn, Dean and member of the Executive Board…

Seven researchers from Leiden University have been awarded an ERC Starting Grant. This will enable them to start their own project, build their research team and put their best ideas into action.

Maak kennis met digitale veiligheid in de podcast over de BSc Cybersecurity & Cybercrime. Experts bespreken actuele thema’s zoals ransomware en online fraude.

For over a year now, the James Webb Telescope has been sending stunning images that exceed astronomers’ expectations. The photos are fascinating to see, but what exactly are we looking at? Assistant professor Melissa McClure explains.

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

Western civil servants openly struggle with their government’s policies on the war in Gaza. During a meeting at Campus The Hague, three former civil servants told their stories.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life.

Nine students dove into a challenging iGEM project this summer. With their idea, they aim to make antibodies more efficient - and in the meantime learn at least as much about collaboration, creativity and their own future.

What is freedom worth in times of hunger? ‘Beleg’ is a modern interpretation of Lucretia van Merken’s 1774 play. With five performances in Leiden’s Schouwburg theatre, the play is a prominent part of the Relief of Leiden celebrations, and Leiden alumni are playing a big role. Take a look behind the…

The Night of Discoveries will take place on 20 September in the area around Hortus botanicus Leiden, the Old Observatory, Pieterkserk, the Academy Building, Old School, the Faculty Club and the PJ Veth Building.

The Dutch research funding landscape is changing. What developments can senior grant adviser Walter van Raaij see? And what are his tips for a successful grant application?

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.

At the annual reversed constitution reception (omgekeerde constitutieborrel), the Executive Board presents an award to a student organization that has made an inspiring and impactful contribution to the well-being and social safety of its members. This year, ESN Leiden won for its program ‘Together…

What’s really happening in the space between the cells in your body? With the Collagen Canvas project, students from Leiden University invite you to explore this question by blending science with art. This interactive artwork immerses you in the dynamics of the extracellular matrix—the invisible structure…

He started out as a temporary staff member at the CML’s education office, and now – eight years later – Jasper Williams is the institute’s new Director of Operations. In this interview, he talks about entrepreneurship, making a social impact, and playing competitive bridge. ‘I like doing things properly,…