In the middle of doing research for her master’s thesis, Sara Kalf (24) was hit by a car and got seriously injured. After a long period of rehabilitation and hard work, this week she can finally add her signature to the wall of the Academy Building’s ‘Sweat Room’.

Do you have questions about the Kiem grant? You can find answers to frequently asked questions on this page.

If we want to show the impact of our research, we can’t do so without science communication. But how do you go about communicating science? Where do you start as a science communication novice? And how do you take your communication to a higher level? On this page, you will find websites, articles,…

As a university employee, you probably work with personal data. That is not just names and telephone numbers – it can also include things like cookies. How can you make sure you are working in a privacy-proof way?

We provide answers here to some frequently asked questions about collaborations with the fossil fuel industry.

The JUL board 2025/2026 consists of five colleagues:

Science, Mathematical Institute (MI)

Associate Professor Robert Heinsch went on a staff exchange to the United States from January to April 2025. He enjoyed the challenge of teaching in a creative and more personal way. ‘I fully immersed myself in American teaching culture.’

Science, Institute of Biology Leiden (IBL), Microbial Sciences

If you need any help with your research or if you encounter problems during your PhD track, Leiden University provides several different types of support for PhD candidates. There are also groups, networks and communities in which you can meet other PhD candidates.

Strong leadership is essential for building an open and learning organisation.

Science, Leiden Institute of Chemistry (LIC)

Administration and Central Services, Strategy and Academic Affairs

Leiden Learning & Innovation Centre

Science, Institute of Biology Leiden (IBL), Plant Sciences

Science, Leiden Institute of Chemistry (LIC), Bio-organic Synthesis

Science, Leiden Institute of Chemistry (LIC), Bio-organic Synthesis

As of 1 November 2025, Professor Luc Sels will assume the role of President of Leiden University’s Executive Board.

The PhD track involves many different aspects. As well as important administrative steps that you have to take, for example, there are also introductory activities, a training programme and opportunities for research abroad.

Leiden University will deepen its cooperation with knowledge institutions in Africa. During a trip to Ghana, a delegation spoke with several African knowledge institutions about intensifying their collaboration.

The winner of the Leiden University Thesis Prize has made an original and substantial contribution to argumentation theory. This is what Annetje Ottow, President of the Executive Board and member of the LUF board, said at the online ceremony for the University’s thesis prizes. The winner of the first…

Organisation

Stefaan Van den Bogaert, Vice Dean of Leiden Law School was delighted to announce on 29 March 2023 that the faculty has awarded research funding to all applicants for starter grants.

Persecution, conflicts and crises threaten academic facilities and researchers worldwide. This has major implications for science. Leiden University's Scholars for Scholars programme helps scientists in need through crowdfunding.

The Global Summit, which took place from 12-16 January 2021, is an initiative by Richard Albert, the William Stamps Farish Professor in Law, Professor of Government, Director of Constitutional Studies at the University of Texas at Austin, and Founder & Director of the International Forum on the Future…

From Wednesday 20 October 2021 to Thursday 21 April 2022, Leiden Children’s Rights Observatory and the Centre for Constitutional Studies of the Supreme Court of Mexico organize an Online Webinar Series on Children’s Access to Justice and the Optional Protocol on a Communications Procedure (OP3)

On March 16 students and alumni of the Advanced LLM in European and International Human Rights Law were brought together in an online Zoom event organized by our programme coordinator, Mahshid Alizadeh, and head of the LLM, Rick Lawson.

Research

Education, Research

The winners of the JSVO teaching prizes for academic year 2020-2021 were announced at the opening of the faculty year on 7 September 2021.

Van Es is the successor to Professor Huijgen whose retirement is approaching after nearly 27 years’ professorship. This new appointment is from October 2022, but Van Es has been working at the faculty for some time.

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.

Four promising young researchers will be able to conduct two years of research at a university abroad thanks to a Rubicon grant from the Dutch Research Council (NWO). The Leiden laureates are Renske Janssen, Girija Josh, Anne van der Meij and Yana van der Weegen.

Tax scandals, like the Panama Papers, the Paradise Papers, and the Pandora Papers, have made tax avoidance by large multinationals and rich individuals a major topic of public debate. Policymakers are pushed to close tax loopholes and reform the global tax system. But this is no easy task.

The Dutch Ministry of Education, Culture and Science (OCW) has started a survey to identify the success factors of a strong codetermination culture within higher education institutes. All members of a codetermination council in higher education can participate in this survey until 2 April.

Jaap van den Herik was appointed Officer in the Order of Orange Nassau on 8 October on his retirement as professor of Law and Information Technology.

The university campus at Leiden Bio Science Park will change rapidly over the next few years. A short film shows the transformation to a full campus. See what this mix of new university buildings, student accommodation and restaurants and cafés will look like. And sustainability and biodiversity won’t…

The Academic Language Centre is organising an introduction to Ukrainian with the Russian Studies/Russian and Eurasian Studies programmes. This six-part course is meant primarily for people who are in contact with refugees from Ukraine.

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…

The Leiden University team won the 46th edition of the Telders International Law Moot Court Competition. Besides winning the final round, the team was also awarded the prize for Best Memorial on Behalf of the Respondent.

Four promising young researchers from Leiden University have received a Rubicon grant from the Dutch Research Council (NWO). This grant will enable them to gain valuable research experience at top universities abroad.

Jus post bellum, the body of laws and norms governing the transition from armed conflict to peace, has emerged as a crucial issue for international law scholars, governments, and all concerned with building a just and sustainable peace. The Jus Post Bellum Project, funded by the NWO and hosted by the…

The sixth edition of the Max Rood Moot Court Competition was held on Friday 24 June 2022. This Dutch interuniversity labour law moot court unfortunately could not take place the last two years due to the coronavirus, but this year teams from four universities took on each other again. The day was organised…

Eight university vegetable patches will soon join the display at the Hortus botanicus. The sun shone down on almost 40 enthusiastic students and staff as they started work on the new Community Garden there earlier this month.

Soil ecologists Emilia Hannula (Leiden) and Elly Morriën (UvA) received the Golden Medal of Teylers Tweede Genootschap on 5 November. They received the prize for their submission to a competition on sustainable soil management.

Colleagues from three departments were treated to cake by Vice Dean Jan Crijns. This was to celebrate the ratings, excellent and above-average, awarded in the Keuzegids, the master’s programmes guide for 2025.

Help us develop and expand the recently established Leiden Chinese Queer Collection (LCQC, 莱顿华语酷儿文献收藏) at Leiden University Libraries (UBL).