The Executive Board is responsible for the management and administration of the entire University.

Leiden University’s President of the Executive Board, Professor Annetje Ottow, has been reappointed for a second term by the Board of Governors.

Martijn Ridderbos, MSc, will be appointed member and Vice-President of the Executive Board of Leiden University with effect from 8 May 2017. He succeeds Willem te Beest, who is retiring.

Data reuse and big data: a taxonomy for personal data reuse.

The work of judges can also be done by AI systems. These systems can formulate an objective proposal for a ruling. But such proposal should always be checked by a judge, says Bart Custers.

How can we understand the implementation of EU policy and what challenges are involved?

Timo Kos has been appointed Vice President of Leiden University’s Executive Board and will take up the role on 1 March 2025. He succeeds Martijn Ridderbos, who will join the board of the Netherlands Authority for Consumers and Markets (ACM) on 1 January 2025.

After nearly five years as President of the Executive Board, Annetje Ottow will be stepping down from the role as of 1 September. During her time as President, she helped shape the university’s strategic direction, strengthening its regional, European and international profile. Sustainability, and dignity…

Professor Annetje Ottow will be appointed President of the Executive Board of Leiden University on 8 February 2021. She will be the first woman to be appointed to this post at Leiden University.

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

Leiden University has a new Executive Board. Since 8 February 2021, Annetje Ottow has been the new President and Hester Bijl the new Rector Magnificus of the Board, while Martijn Ridderbos has continued in his role as Vice-Chairman.

The increase in the European Union's executive powers in the areas of economic and financial governance has thrown into sharp relief the challenges of EU law in constituting, framing, and constraining the decision-making processes and political choices that have hitherto supported European integration.…

Every Sunday you can help fish plastic and other floating garbage out of the Leiden canals. You can use your own canoe or loan one from Plastic Spotter and join the garbage-fishing fleet. Annetje Ottow, President of Leiden University, was one of the crew on Sunday 4 July.

‘It truly is a plan by and for us all,’ said Annetje Ottow, President of the Executive Board, at the Dies Natalis celebration on 8 February. Leiden Law School was also actively involved developing in the strategic plan.

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This study tests whether behavioural problems at a young age are related to early reading and mathematics development.

If we need funding for a project, equipment or research at the university, we automatically think of the Dutch Research Council or other grant providers. But more and more researchers are managing to connect with people who care about the university.

We asked a lot of everyone last year. The Personnel Monitor showed that the workload was high in 2022 and Covid took its toll. I therefore think everyone deserves some downtime. Time away from the daily grind.

The Executive Board of Leiden University has appointed Bart Joosen as Professor of Financial Law commencing on 1 July 2023. The chair is attached to the Hazelhoff Centre for Financial Law, part of the Institute of Private Law at Leiden Law School.

A convolutional neural network (CNN) is a biologically inspired algorithm, highly capable at processing images and videos.

This week we can vote in the University elections. The University Council and faculty councils are incredibly important. During the fantastic seminar on 50 years of participation that the University Council recently held, our former Rector Carel Stolker aptly said: ‘Without participation, there would…

Timo Kos has been Vice President of Leiden University’s Executive Board since 1 March. Who is he and how have his first weeks been? ‘Higher education is under threat; we’re under fire.’

This is a difficult time. Above all, for all those directly involved in this horrible case – unacceptable behaviour by a professor and his removal from the University – the case we went public about on 18 October and that has been reported in the media. This is painful and tough for the complainants…

How can interdisciplinary and transdisciplinary collaborations between psychology and public administration contribute to the development and application of behavioural insights that improve government functioning and its interaction with citizens?

We know more together than alone. To increase our university’s impact on the region, we have to be open to the world outside. This is how we strengthen our ties and create new opportunities for teaching and research.

Circulating in Brazil's social media today are many vicious attacks against presidential candidate Luiz Inácio Lula da Silva, known simply as Lula. Widely and enthusiastically shared memes humiliate Lula by depicting him as a poor, uneducated drunkard who deserves to be in jail, thus criminalizing his…

The European Commission has granted budget for the project INFORM (Introduction of the data protection reform to the judicial system). Dr. Bart Custers, associate professor and head of research at eLaw, the Center for Law and Digital Technologies, has written the proposal with nine partner organizations…

Leiden University is a fantastic example of a network university: we create an impact with the city, stakeholders and regional and international partners. The lines of communication are really short and there is a great sense of togetherness. Our good relations with the city have also informed how we…

I recently went to the anniversary celebration of The Meeting Point, and the stories the refugee students told made a huge impression on me. The Meeting Point helps students from different backgrounds feel part of our university community.

Ever since its foundation, Leiden University has turned its gaze outwards to other cultures, languages and forms of academic practice. It is only natural, therefore, that we as a university have four institutes abroad: the Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV-KNAW)…

This year’s theme of the Cyber Summit is: “Using Technology Responsible”. The Cyber Summit will take place in Banff, Canada on October 26th-28th. Dr. Bart Custers, associate professor and head of research at eLaw, the Center for Law and Digital Technologies, is invited to give a presentation on privacy…

The European Commission has granted budget for the project e-SIDES (ethical and societal implications of data science). Dr. Bart Custers, associate professor and head of research at eLaw, the Center for Law and Digital Technologies, has written the proposal with two partner organizations within the…

Now the introduction weeks can go ahead as usual, the new students’ enthusiasm is overwhelming. It’s back to normal for the student associations too, having had a hard time of it during the pandemic.

Leiden University will set up further activities with the Asian Development Bank (ADB).

The European Cooperation in Science and Technology (COST) has awarded a network grant for the project GoodBrother. On behalf of Leiden University, Bart Custers, professor of Law & Data Science and director of eLaw, the Center for Law and Digital Technologies, contributed to writing this proposal.

The rising energy prices cannot have escaped anyone’s notice. They have dominated the news in recent months. As a university, we too face a big challenge as the prices continue to rise. We will all have to do our bit in the coming months, also in view of the climate crisis that we want to help resol…