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Het College van Bestuur laat door een postdoc een eenjarig vooronderzoek doen naar het koloniale en slavernijverleden van de Universiteit Leiden.

The conflict between Israel and Hamas has had a clear impact on Leiden University. Students and staff are angry or scared, feel unsafe and are experiencing group pressure.

Today, 13 May 2024, Leiden University’s Executive Board is publishing the advice of the committee that investigated reports of unacceptable behaviour and breaches of academic integrity. These reports were about a professor from the university and their partner (a former member of the university staf…

Diversity, Equity and Inclusion (DEI) can be an aspect of teaching and learning, an outcome to achieve and/or an atmosphere to create. On this page you can find out more information in terms of support and best practices.

PhD defence

The University has national holidays and compulsory closures. National holidays are not deducted from your vacation hours, whereas compulsory closures are.

PhD defence

Annetje Ottow is stepping down as President of Leiden University’s Executive Board on 1 September 2025 after almost five years in the role. She looks back at the highs and lows – and ahead to what’s next.

Leiden University’s Executive Board has appointed Erwin Muller as Vice Rector of Organisational Development. In this role, he will help further professionalise and improve the university’s organisation as per the Strategic Plan.

Leiden University is publishing a list giving an overview of its research collaborations with the fossil fuel industry.

Leiden University will not enter into any new research partnerships with companies in the fossil fuel industry that are not intensively and demonstrably committed to achieving the goals of the Paris Agreement. Current projects can, however, be completed.

All Leiden University staff will receive an invitation on 17 October to fill in the Personnel Monitor. Why is it important that everyone completes it? And what has happened with the results of the last Personnel Monitor? Vice Chairman of the Executive Board Martijn Ridderbos explains.

Speaking for the Executive Board, Timo Kos reflects on the university’s security policy and what lies ahead. ‘We want to keep our buildings open, but we also need to be able to guarantee the safety of everyone there. It’s a real balancing act.’

A new book about Villa Isola in Indonesia reveals some of the shared history of the Netherlands and Indonesia. The book was presented on Thursday to Annetje Ottow, President of the Executive Board, and Mr Mayerfas, ambassador of the Republic of Indonesia in the Netherlands.

University ceremony

Leiden University and four other Dutch universities will appoint 51 PhD candidates to conduct solution-oriented research for and with the African continent.

Luris supports and advises researchers and societal partners on knowledge transfer, research impact and public-private partnerships between researchers and society. The organisational structure of Luris is changing to help us better meet the changing needs of our researchers and civil society. Read…

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.

The Leiden Register of Programmes lists all degree programmes that the University offers. The Executive Board is responsible for these programmes. There are two sections to the Register. The first section comprises a framework document that describes the nature of the teaching at Leiden University…

Background information on the published updates.

‘Culture change takes time,’ said Vice-Rector Hester Bijl at the closing panel of the University’s Diversity Symposium on 26 January. She talked about the road to a diverse and inclusive university. The symposium provided plenty of concrete examples of small steps that can already be taken.

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PhD defence

Veelgestelde vragen privacy en security

Leiden University no longer wishes to collaborate with fossil fuel partners that are not demonstrably committed to achieving the Paris Agreement targets. Exceptions will be made only if a collaboration demonstrably contributes to the energy transition. This proposal by the Executive Board was discussed…

Have you experienced or witnessed unacceptable or transgressive behaviour? This page gives information about what you can do yourself and which ‘helplines’ can assist you in this situation.

Here you will find guidelines for using devices such as laptops, tablets, and telephones. Whether you are working with a device purchased for you by ISSC or with a device you have purchased privately, it is important that you save your files securely and handle confidential data with care.

The number of insect species is plummeting, which is why the University is creating a more biodiverse environment around its buildings. Annetje Ottow, President of the Executive Board, planted the first bee-friendly plants in the front garden of Oude UB on 20 September.

On 2 December, the Municipality of Leiden will apologise for the role previous administrations played in colonialism and slavery. A further study will be carried out.

A national walkout will be staged on Monday 13 May. Leiden Scholars for Palestine has called on students and staff from Leiden University to meet at 11.00 at the Lipsius building in Leiden and the Wijnhaven building in The Hague.

You can activate and manage your account via Account Services. To make the best use of Account Services, it is important that you set your account properly the first time you use it.

You can find information about making payments to research participants on this page.

Do you want to post an announcement or report any content that needs changing? If so, please contact the web editorial team for your faculty or department.

Fraude en plagiaat

Turkish and Syrian students met Rector Magnificus Hester Bijl to discuss how the university can support students who have been affected by the earthquake.

The internal auditor appraises the effectiveness and reliability of the internal organisation of Leiden University. We work in close collaboration with an external auditor during the financial audit of project reports and the financial statement. The various audits provide a clear picture of what is…

An ORCID iD is a unique code that identifies you as a scientist in a reliable and consistent way, much like the social security number in a passport. DOI does the same but for a scientific publication instead of a person. DOI and ORCID iD are examples of persistent identifiers.

All doctoral dissertations are checked for plagiarism before they are submitted to the doctorate committee.

From scanners in lecture halls to systems for working from home: the discussion about new technology is being held on various fronts. That is why the University wants to make more use of its in-house experts. At the Technology and Trust symposium at Leiden University on 2 February, researchers from…

Vice-rector Organisatieontwikkeling en oud-decaan FGGA Erwin Muller start op 1 april 2026 als staatsraad bij de Afdeling Advisering van de Raad van State.

Leiden University, together with the Open University and Universities of the Netherlands, will take up residence in the Spui building at Grote Marktstraat 48-50/Spui 3 in downtown The Hague from 2025. The partners signed the leases on 7 November.

Doing research in archaeology is more than just gathering data and publishing a paper. Nowadays, there is a growing trend in producing well-defined and responsible data management plans. They help to navigate the process and result in good data management practices which in return benefit the researchers…

Three new initiatives will provide a more diverse view of Leiden’s academic history, literally and figuratively: a historical study on the background of students and scientists, a new book about the Academy Building, and two new sculptures of female scientists, Ewine van Dishoek, Professor of Molecular…

Black-and-white photographs filled with solemn young men and distinguished professors line the walls of the Grand Auditorium. Young women are missing from the photos; women rarely obtained PhDs 50 years ago. And this article is about that group, the PhD candidates between 1966 and 1972, who were invited…

The Durham Declaration was presented at the Climate Symposium marking the Coimbra Group’s 40th anniversary on 26 March. Leiden University is proud to be one of the first signatories of this declaration.