CWTS hosts the Citizen Science Lab and a UNESCO Chair on 'Diversity and Inclusion in Global Science'.

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…

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…

Here you can find an overview of the past projects of the Leiden Leadership Centre.

Workshop

Met de val van Balkenende IV laait de discussie over het functioneren van politieke partijen binnen ons democratisch bestel weer op. Opgeblazen ego’s, overambitieuze politici en partijpolitieke machtspelletjes zouden echte democratie in de weg staan. Maar die discussie is niet nieuw.

Curious about how sustainability fits into our university's strategic plan, or how much energy and water we consume? Read about it here.

Women in International Security -Netherlands (WIIS-NL) is an affiliate of WIIS Global. WIIS-NL Members include: professionals, civil servants, academics, NGOs, employees of international bodies and organizations, embassy staff, politicians, students, and interested members of the general public. The…

This project aims to improve transparency in the distribution of research funding in the world, with a focus on global inequalities. Through an analysis of funding flows, the project will identify inequalities and opportunities for more appropriate and fairer allocation, highlighting patterns that perpetuate…

In this special edition of Information Polity there is a focus on the transparency challenges of using algorithms in government in decision-making procedures at the macro-, meso-, and micro-levels.

Sophie Vériter explores a small state’s impact on EU security governance, a hard challenge means against big states in this policy area.

The digitisation of society is a worldwide challenge. Not only are robots increasingly taking over human tasks, they are even beating the world champion at solving the most difficult brainteasers.

If you want to find out more about Leiden University, you can read our publications online or request a printed copy.

Dr. Gianclaudio Malgieri, Associate Professor of Law & Technology at eLaw, is co-author of the article “Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directions” which has been awarded the 2025 Best Paper Award by Information Fusion.

Gianclaudio Malgieri, Associate Professor of Law & Technology at eLaw, is co-author of the article 'Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directions' which has been awarded the 2025 Best Paper Award by Information Fusion.

Because admission to the BSc Political Science: International Relations and Organisations involves a selection and placement procedure, you need to take into account that the application deadline is both early and very strict. And after applying, there are some more deadlines that you will need to take…

In the master’s programme in Archaeology, you can follow courses on the archaeology of Europe, deepening your understanding of the continent’s long history.

Check your application deadlines here.

What is the first thing you think of when you hear the word UN? Is it just the Security Council and the ‘blue helmets’ or is there more to it? These are some of the questions tackled by the Chair’s research group.

This article studies the securitization of immigration in the United States of America (U.S.), through the analysis of the National Security Strategies (NSS) published between 2002 and 2017, using a two-layered analytical framework that combines securitization theory and agenda setting theory.

Madeleine Hosli, Professor of International Relations at Leiden University, together with two other authors, wrote a chapter in Group Politics in UN Multilateralism. This chapter assesses the composition and functioning of the African Union (AU) within the United Nations.

In this article, Adriana Cerdeira and Dovile Rimkute explore how certain dynamics shape banks' behaviour.

Take a view on the slides of the presentation and read what the event of Sustainable Travel was about.

This open access book investigates the transnationally connected history of Arab Christian communities in Palestine during the British Mandate (1918-1948) through the lens of the birth of cultural diplomacy.

Leiden Law School is working hard to improve sustainability both in education and teaching within the faculty, at our campus and in our research. You can read all about the university's vision and ambitions, recent developments in this area, our current sustainability projects and how students and…

Supply risks are not new. But the aggravation of power conflicts on the international stage coupled with global shifts towards energy transition and digitalization has triggered the next supply risk research era.

Every month there is an opportunity to visit the Old Observatory in the evening. These open evenings consist of a lecture followed by a visit to the telescopes in the building.

Both Europe and Latin America face challenges globally and at home. Conflicts over land and resources have been resurgent in recent years.

The primary goal of GAP is to study the impact of globalization and internationalization policies and practices on the gender balance in research and higher education in Norway.

In this article, Ben S. Kuipers and Joanne Murphy review recent critiques of leadership theory and practice.

Round Table

The nominees for the IRO thesis prize 2021 and for the Prof. Dr. J.Th.J. van den Berg prize 2021. Who wrote the best Political Science bachelor’s theses?

Conference

Tim Koopmans is one of the great minds in the history of Dutch and European legal scholarship. He taught law as a professor in Leiden and other universities, among which Ghent, Cambridge, Utrecht. He practiced it as a judge in the European Court of Justice and Advocate-General in the Dutch Supreme Court,…

Leiden University has had a campus in The Hague for over 20 years and sees the city as its second hometown.

Building on the recent initiative to truly globalize the field of international relations, this book provides an innovative interrogation of regionalism.

LUCAS members are experts in the fields of literary history and theory, film and media studies, and art, architectural, and book history.

My research project focuses on the development of a popular national agency in late nineteenth century Amsterdam and the question how ‘ordinary’ citizens imagined ‘the Netherlands’ through the experience and use of their urban surroundings.

The European Union has awarded a COFUND grant to a consortium of researchers from the universities of Groningen and Leiden for a collective PhD programme called ‘Evolve’. The 7.1 M€ programme, which is co-financed by the participating universities, is recruiting and training 17 PhD students to conduct…

Our research at CWTS is organized in three focal areas. These focal areas represent our core areas of interest, as defined in our knowledge agenda for the period 2023-2028.

This week, Prof. Luuk van Middelaar (Europa Institute) publishes Alarums & Excursions: improvising Politics on the Europen Stage – a revised update of his 2017 book on the decade of EU crises.

From Crisis to Critique

A History of Modern Political Thought in East Central Europe is a synthetic work, authored by an international team of researchers, covering twenty national cultures and 250 years. It goes beyond the conventional nation-centered narratives and presents a novel vision especially sensitive to the cross-cultural…

How do public organizations use strategic regulatory communication in regulatory governance?

This study focused on how households' food consumption and waste were adapted to lifestyles during COVID-19.