A group of nine activists from Students for Palestine occupied part of the Academy Building on Wednesday 26 November. Outside, a group of around 30 demonstrators chanted slogans and called on the Executive Board to sever ties with Israeli universities.

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)).

Alex Geurds, hoogleraar Archeologie van Midden-Amerika, wordt vanaf 1 januari decaan van de Faculteit der Archeologie.

On 21 June, our beloved colleague Joan van der Waals passed away after a long and rewarding life.

Pim Overgaauw is at his best when he can support others. His new position as Institute Manager of the Mathematical Institute is therefore a perfect fit. ‘My main goal is to ensure that our mathematicians can focus on the maths.’

Nadia Bouras will give the Annie Romein-Verschoor Lecture on 6 March. She will call for academic freedom for everyone.

‘Don’t forget us. Don’t stop talking about Iran.’ In a packed lecture hall at the new Spui Campus in The Hague, a panel discussion was held this Tuesday on recent developments, tensions and the wave of state violence in Iran.

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

Data Science & AI student Nataliia Bagan combines a passion for mathematics, language, and artificial intelligence. Her exceptional bachelor’s thesis on improving reasoning in large language models earned her a nomination for the Leiden Science Young Talent Award 2025.

Are you looking for a coach? If so, you’re welcome to contact one of the university’s internal or external coaches; you can do this directly yourself, after choosing a coach who seems suitable.

ICT, Security

This page provides updates on the protest today at the Academy Building and Hortus botanicus in Leiden.

Education, Finance

From study places to consulting collections and from a meeting with your faculty liaison to getting books after opening hours: the new Science Library offers it all. The library moved to a brand new location in the Gorlaeus building and will be open starting 15 April.

For years, the student association L.P.S.V. „Aesculapius” can always rely on help from professor Irth. Whether this help is relevant for the Foreign Excursion, organizing events on LACDR or when the association is just in need of some general advice, professor Irth is always contactable. Within the…

BrainTrain: an initiative from Leiden University in which a team of students visit high schools to make adolescents more resilient against disinformation on the news and on their socials. In an interactive two-hour guest lesson, high school pupils discover how easily their brains can be tricked into…

During the LACDR Fall Symposium the Suzanne Hovinga Award for ‘best master thesis’ was awarded to Carlijn Lems for her master thesis entitled ‘Elucidating the crosstalk between epithelial-to-mesenchymal transition and Programmed Death-Ligand 1: validation and extension of a computational model’. Carlijn…

The Royal Holland Society of Sciences and Humanities (KHMW) has appointed Jos Raaijmakers, professor of Microbial Interactions and diversity, as a new scientific member.

On 18 February 2023, our esteemed former colleague Robert Louw passed away. Rob was 86 years old.

Ad IJzerman, Emeritus Professor of Pharmacochemistry, was made a Knight of the Order of the Lion of the Netherlands on 26 April. He was presented with the royal honour by Mayor Elbert Roest in the town hall in Bloemendaal.

Emeritus Professor of Applied Statistics Jacqueline Meulman received an honorary membership during the annual meeting of the Netherlands Society for Statistics and Operations Research (VVSOR). This makes her the eleventh honorary member of the society.

How can we diagnose the life-threatening condition sepsis in premature babies as quickly and accurately as possible? That is what PhD student Manchu Thangavelu from the Leiden Academic Centre for Drug Research (LACDR) wants to figure out.

Professor Alexander Ollongren passed away on March 25 at the age of 96.

Organisation, Social

Organisation

Prof Harold Linnartz has been reappointed Director of Education of the bachelor and master programmes of Astronomy. The appointment is for a period of four years, until 1 October 2026.

A project to improve practicals in science courses has been awarded a 175,000 subsidy. Leiden physicist Paul Logman is one of the applicants, together with colleagues from the UvA and Eindhoven University of Technology.

Leiden University wants to be a safe and inclusive learning and working environment for all its students and staff. In an interview with XperHR HR knowledge platform, Diversity Officer and lecturer Aya Ezawa and HR director Esther van Opstal explain why all-gender toilets are an important part of our…

Education, Library, Research

The Leiden interdisciplinary research programme Global Transformations and Governance Challenges and the Embassy of Ireland are co-hosting a special meeting in The Hague. On Tuesday 30 January, John Concannon (Director of the Global Ireland Unit), ambassador Brendan Rogers and dr. Alanna O’Malley will…

Last week, Leiden University welcomed the rectors of the League of European Research Universities (LERU) to the autumn edition of the Rector’s Assembly. They discussed research, innovation and education policy within the European Union, the challenges and opportunities surrounding defence research,…

This practical guide is aimed at PhD candidates, Research Master Students, and early-career researchers from all academic disciplines. The instructions in the guide intend to inspire young researchers and to help them practice Open Science, by sharing all aspects of research as open possible.

How anonymous is an individual in a social network? And is it possible for hackers to extract sensitive information from data? These were the main topics of the hackathon organized by POPNET and the Central Bureau of Statistics (CBS) on May 3 at the Leiden Institute of Advanced Computer Science.

An article about our Mathematical Institute (MI) appeared on 23 June in the University newspaper Mare.

Research

On 25 May 2024, our much-loved former colleague prof.dr.dr.h.c.mult Hans E. Junginger passed away.

A team of LACDR scientists from three different divisions (SPP, BT, MC) contributed to a book on "Substance P in Health and Disease," which will be published by Elsevier. The project was a collaboration with Hannover Medical School (Germany) and was coordinated by Alireza Mashaghi. Master students Ehsan…

Did you watch the Dies Natalis on Tuesday the 8th? There, the new Strategic Plan of Leiden University was presented. The plan, Innovating and Connecting 2022-2027, is a plan by and for us all. It came about thanks to the involvement of many colleagues and students, from our Faculty as well.

Last month, the European TIPAT ITN network on personalized antibiotic treatments coordinated by Coen van Hasselt had its first in-person meeting. Two years since the project started, all TIPAT PhD candidates and their supervisors from six European universities came together in Leiden.

Before the summer holidays, the elections for new staff members in the Science Faculty Council have taken place (thank you for voting!). For the coming two years, the LACDR will be represented in the Faculty Council by Laura Heitman and Linda Holtman!

Organisation

ICT, Security

How can you ensure that your research hits the headlines? How can you bring your research output, such as PhD research or a publication, to the attention of the public?

PhD, Staff

A delegation from Leiden University recently embarked on a knowledge mission to various NGOs, universities and government organisations in Indonesia. New partnerships were formed and important knowledge exchanged, and researchers from Leiden gave guest lectures.