Leiden University attaches great importance to high-quality, ethical, and independent research. Here you will find more information about review committees, codes of conduct, and policy frameworks, as well as answers to questions such as: When do I need to have my research reviewed? What rules apply…

The bachelor's programmes at the Faculty of Governance and Global Affairs, based in the city of international cooperation and politics – The Hague – prepare you for a future in governance, leadership, and diplomacy. In the administrative heart of the Netherlands, you will learn to tackle the challenges…

Communication, Working effectively, Transferable skills

Research, Didactics, Career development

Research, Transferable skills

The journal Philosophical Transactions of the Royal Society – Biological Sciences published its theme issue ‘Conflict across taxa’ on 4 April, which was edited by Professor of Social and Organisational Psychology Carsten de Dreu. Together with researchers from other disciplines he provides more insight…

Research

Research, Transferable skills

Personal development

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.

The Executive Board proposes to take the decision to suspend the existing institutional student exchange programmes with two Israeli universities, and until further notice not to engage in any new exchange programmes with Israeli universities that have comparable links with the Israeli military (the…

We, the Executive Board and deans, have recently heard from different sources that the conflict between Israel and Hamas continues to evoke strong feelings of tension, anxiety and insecurity within our university community. We take this very seriously and so are once again addressing you all.

‘A Muslim and a Jew in the house of God.’ This is how historian Nadia Bouras introduced her recent conversation with colleague Sara Polak in Leiden’s Hooglandse Kerk. They discussed the rising tensions since the outbreak of the Israel-Hamas war. ‘Dare to ask each other questions.’

How can the university decide which partners to work with and why? This is a question many of us have, both within and outside our community. The advice presented by the Temporary Committee on Assessing Ethical Aspects of Collaborations should provide answers.

Should we cut our ties with Israel or maintain them? The event ‘A university conversation on Israel/Palestine’ on 1 July revealed the depth of feeling about the conflict, with students and staff grappling with academic values and moral dilemmas.

Leiden University’s Committee on External Collaborations – Human Rights and Conflict Zones advises the Executive Board to suspend student exchange programmes with Hebrew University of Jerusalem and Tel Aviv University until further notice.

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.

After discussing the climate, our psychologists once again broach a big topic: war and peace. Or, perhaps: cooperation and conflict. For no matter how benevolent our intentions towards each other, friction never seems far away. Researchers Angelo Romano and Tom Roth offer explanations and practical…

The ‘Committee for Assessing Ethical Aspects of Partnerships’ is being launched this month. This committee, created by Rector Magnificus Hester Bijl and consisting of former and present Leiden University researchers, has been tasked with assessing Leiden University’s institutional ties with organisations…

Since April 2023 the current war in Sudan has brought larger death, destruction, and displacement than any other ongoing armed conflict on earth. And yet, international media coverage of the conflict remains limited.

From 16 to 23 October 2025, the Faculty of Governance and Global Affairs (FGGA) will host the second edition of Cyber Week. Following last year’s success, we will once again shine a daily spotlight on our teaching and research in the field of cybersecurity through LinkedIn and Instagram. Today’s societal…

Did you know that research and education in the field of digital innovation are key pillars of the Faculty of Governance and Global Affairs? Over the next seven days, we are organising Cyberweek on our social media channels to showcase what we have to offer.

Lecture, Food for Thought

Leiden University is committed to creating a pleasant working environment for its staff. It may nevertheless happen that you find yourself unable to work due to a temporary or long-term illness or disability. The university occupational health physicians can help you reduce health risks and give you…

Leadership, Personal development, Management

Leiden University is committed to creating a pleasant working environment for its staff. It may nevertheless happen that you find yourself unable to work due to a temporary or long-term illness or disability. The university occupational health physician can help you reduce health risks and give you…

Marjan van Dasselaar is the Staff Ombuds Officer. The Staff Ombuds Officer gives independent advice to the University on how the staff’s work environment can be made safer.

How can the university create a safer working environment? Ombuds Officer Marjan van Dasselaar provides independent and impartial advice on this matter. In her recently published annual report, she also provides a number of recommendations. ‘We’re all responsible for ensuring a culture of dignity and…

'I hope to contribute to a better understanding of social dilemmas we constantly face, like those that arise with climate change or the current pandemic,' says social and organisational psychologist Jörg Gross in an interview on his Starting Grant of the European Research Council (ERC).

The University Council meeting on 2 June was largely dominated by the demonstration, occupation and policing in The Hague last month.

For the first time, a group of international and interdisciplinary researchers led by Karline Janmaat and her former MSc Student Chirag Chittar, have tested the several hypotheses on music simultaneously in a modern foraging society during their daily search for tubers – their staple food.

For long, the government showed little empathy for military veterans with physical or psychological scars. This is what PhD research by Theo van den Doel has revealed. The Ministry of Defence looked at each case through a legal lens. Veteran support has improved enormously since, but the policy does…

The annual commemoration of the nation’s war dead on Dam Square and at Waalsdorpervlakte, the Dutch apologies for historical slavery and the Cleveringa Lecture itself: our relationship with history is often ritualistic, Cleveringa Professor Frank van Vree will say in his inaugural lecture on 27 Nove…

Adolescents with good friendships experience fewer anxiety and depression symptoms, PhD student Iris Koele discovered in her research on high school students' social relationships. 'As a psychologist, I include friends in the treatment plan: who do you call when things are not going well?'

Leiden University will be conferring three honorary doctorates in its special anniversary year. They will be awarded to Eliot Higgins, truth finder and founder of Bellingcat, Bonnie Honig, expert in feminist theory and legal theory, and Kelly Chibale, professor of organic chemistry, who works on prevention…

The US intervention in Venezuela and the country’s ongoing instability pose risks for the Dutch Caribbean. How serious is that threat? ‘Dutch men and women will have to defend our external borders there,’ says Professor by Special Appointment of Kingdom Relations, Wouter Veenendaal.

Mozambican politician and child rights activist Graça Machel will receive an honorary doctorate from Leiden University for her commitment to the rights of women and children in Africa and elsewhere. She will be awarded the honorary doctorate on the Dies Natalis, the University’s foundation day, on 8…

A bloody civil war has raged for years in the Central African Republic. PhD candidate Crépin Mouguia points out a tragic pattern: young people have been recruited as fighters or soldiers for generations and thus fuel the conflicts.

The world is currently beset by many problems. The armed conflict and continuing violence in Israel and the Palestinian territories is resulting in numerous casualties. This is giving rise to many emotions and reactions worldwide, and also greatly affecting our own university community. We have seen…

A symposium on space diplomacy for experts and the general public will take place in The Hague on Monday 12 June. Everyone has an interest in learning more about this topic, says Professor Jan Melissen. ‘The scope of international relations has expanded beyond our planet.’

Leiden University has had a turbulent week. There have been protests inside and outside our buildings that have evoked reactions, and students and staff have felt unsafe. We want with this message to look back at the past week and look forward to the future. What happened and how do we now want to move…

Why do some smokers quit much more easily than others? Can we think ourself to insomnia? And does playing music together help to calm conflicts? Psychology students investigated these questions and presented their findings during the Psychology Science Day 2023.

Mozambican politician and child rights activist Graça Machel speaks October 27 at Leiden University about her work.

Students for Palestine – a group of students from Leiden and The Hague – are holding a panel discussion in the Leiden University in The Hague Wijnhaven building on Tuesday 24 May entitled ‘Silencing Palestine’.

Leiden University has recently received various petitions from students and staff concerning our ties with Israeli universities. We have also held extensive discussions with the University Council in response to questions raised on the subject. We think it important that our partners and research projects…

From human rights in Sudan to a new cult of heroes in China. During the board members' visit, the Institute of Private Law and the Institute for Area Studies clarified their social relevance in no uncertain terms. What's happening here in education and research?

Students from Leiden University have launched The Nuance Project, a platform for respectful, open-minded dialogue on divisive issues. The aim is to foster connection and understanding among people even if their viewpoints differ.

RARE-NL, a new collaboration between university hospitals, hopes to find treatments for rare diseases. Professor Teun van Gelder is representing the LUMC in the initiative.

Explore how cultural heritage can proactively respond to global crises, from geopolitical conflicts to climate change, through innovative cross-cultural collaboration between Latin American stakeholders and Una Europa.