The Dutch Royal Couple received 70 scientists at the yearly gala for the Diplomatic Corps at the Royal Palace in Amsterdam on 14 June 2023.

Armin Cuyvers, Stefaan Van den Bogaert and Veronika Yefremova taught in the course on History, Principles and Institutions. The online course took place within the context of the 2025 Summer School in European law for Ukraine, organised by the Kyiv Institute for European Integration and Concordia Un…

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The energy transition is a complex transformation process that is not only about technology -moving towards renewable energy sources-, but even more so about societal and institutional change. The energy transition requires and provides opportunities for actors to take on new roles.

Text Mining and Retrieval Leiden (TMRL) focusses on text mining and retrieval problems in complex domains.

AI has huge societal and economic potential and is widely used. But it also brings challenges: how do we combine human values with AI, how do we make AI more transparent and understandable, and what can AI and human cognition learn from each other, for example about language learning?

When it comes to languages and cultures, Leiden University is the university. The global expertise present places our university at the top. In Leiden and The Hague, we study languages and cultures from all regions of the world and from prehistory to the present day. In this way we create a broad view…

The EG track is built on the foundation of MPA courses in which you gain understanding of the complexities of public institutions and acquire advanced academic skills. Specialisation courses focus on the welfare state, markets and competition, and political economy.

From monitoring pollution to tracking rainfall, citizen science comes in different shapes and sizes. But at its heart, it’s about the relationships between citizens, policymakers and researchers.

This project seeks to develop a conceptual framework and provide empirical evidence on academic leadership that builds a fairer world and fosters trust in polarised times.

RoRI was founded in 2019 by a group of researchers, funders and data providers with a mission to accelerate transformative research on research systems, cultures and decision-making. CWTS is proud to be a core partner from the very beginning.

What are the conditions under which coercive diplomacy can compel a State to abandon its controversial nuclear (weapons) program? Based on the experience of the US coercive diplomacy against the nuclear programs of three countries, namely Iran, Libya and South Africa, Jean Yves Ndzana’s PhD research…

This project focuses on vocational teachers’ professional development in work placement. Teachers’ learning motivation, learning experience and learning outcomes within work placement will be explored in depth.

Develop a tool to assess land tenure, access to land and, and land tenure conflict in Timor-Leste

How can the integration of innovative technologies, circular material flows, and resource efficiency strategies accelerate the transition to a CO₂-neutral, circular, and high-tech steel sector by 2050, and how can Life Cycle Assessment (LCA), Material Flow Analysis (MFA), and Techno-Economic Analysis…

This dissertation aims to provide a critical view of Vietnamese secondary school stakeholders’ awareness of democratic education regarding the core educational democratic values and democratic acts within either the ‘physical’ or digital learning environment.

How can photorealistic 3D scenes help predict whether interventions in urban public spaces will foster citizens' sense of security?

At Leiden University College (LUC), engagement with international societal partners occurs through research, education, and internships, fostering mutually beneficial collaborations with NGOs, public service institutions, and international counterparts.

Minister Alexandra van Huffelen will attend the 'Leadership in the digital transition' event at Campus Wijnhaven organised by Alex Ingrams on 16 February. Five questions to Ingrams about the event.

After decades of intensive farming, the peatland area is under pressure. Researchers, farmers and policymakers work together in the Polderlab to identify future-proof types of agriculture. ‘It’s unbelievable how quickly the system bounces back without intensive fertilisation.’

Strengthening nature and at the same time investing in future-proof agriculture. That is the task of the Minister for Nature and Nitrogen, Christianne van der Wal. It is also the lifework of Leiden professor Jan Willem Erisman. He has been researching nitrogen for his entire career and has shown that…

New edited volume by Mies Grijns (VVI), Hoko Horii (KITLV/VVI), Sulistyowati Irianto (Universitas Indonesia) and Pinky Saptandari (Airlangga University).

Political scientist Ruud Koole (Institute Political Science, Leiden University) has been appointed to a state commission that will investigate whether the Dutch parliamentary system and the parliamentary democracy need to be reformed.

Dr Gianclaudio Malgieri, Associate Professor at eLaw – Center for Law and Digital Technologies, has been appointed Co-Rapporteur for a new joint project of the European Law Institute (ELI) and the American Law Institute (ALI): 'Principles for the Governance of Biometrics'. The project aims to formulate…

Dr. Ben Van Rompuy participated as an invited expert in the annual Congress of the International League of Competition Law (LIDC), held this year in Vienna from 9 to 12 October.

On 20 November 2025, eLaw hosted the second capacity-building session of the BIAS project, coinciding with the city’s first snowfall of the year. The training brought together HR practitioners, scholars, consultants, and policymakers to discuss the opportunities and challenges of using AI systems in…

Leiden University Medical Center (LUMC) has just launched its COVID Radar app. Users of the app are asked to regularly complete a short questionnaire about their health, regardless of whether they are ill or not. This will give the researchers a good idea of the current spread of coronavirus in the…

New website on interdisciplinary, international research on migration and border control.

What does it mean to do public policy ethics today? How should philosophers engage with ethical issues in policy-making when policy decisions are circumscribed by political and pragmatic concerns? How do ethical issues in public policy differ between areas such as foreign policy, criminal justice, or…

On 26 juni 2018, Claire Achmad defended her doctoral thesis 'Children’s Rights in International Commercial Surrogacy: Exploring the Challenges from a Child Rights, Public International Law Perspective'. The doctoral research was supervised by Prof. Dr. Mariëlle Bruning.

The Public Policy and Innovation department of the Institute of Public Administration focuses on shaping, implementing, and evaluating policy through innovative approaches. Our goal is to tackle complex societal challenges by exploring technological advancements and creative policy tools.

This book explores how demographic changes, especially population decline and ageing, influence digital innovation within the public sector. Drawing on an analysis of 110 Italian municipalities, the research illuminates the under-researched impact of 'big but slow moving' macro-level factors.

In this policy paper, Joachim Koops and Christian Patz are discussing Germany’s comprehensive assessment of Protection of Civilians readiness at the national level.

Sarah Giest, Assistant Professor at Leiden University, and Ishani Mukherjee researched the topic of 'Behavioural Insights Teams (BITs) and Policy Change: An Exploration of Impact, Location, and Temporality of Policy Advice'.

This article reflects on the lessons of COVID-19 five years on. The crisis exposed deep vulnerabilities in health systems, governance, and social cohesion.

Completing your Master’s in Biology gives you an internationally recognised degree which you can follow up with a PhD track. With your acquainted skills, you’re a much requested professional in and outside research.

The project explores the role of modernization theory in the development of two foreign and domestic service programs: the Peace Corps and Volunteers in Service to America (VISTA).

The EU and the World is a Jean Monnet Chair, awarded to Karolina Pomorska (Institute of Political Science, Leiden University). Its aim is to promote and strengthen teaching and research in European Studies in Leiden and in The Hague.

After graduation you are well equipped to start a career in evolutionary research or to take the responsibility for projects in an industrial or institutional research environment.

You study in the heart of The Hague’s many E&G-focused public organisations, and will hear from practitioners working in policy-making, economic regulation and public administration in guest lectures. This contact gives you insights into your future direction, and enables you to start building your…

NCLUDE is an independent think-and-do-tank working to make knowledge count for inclusive development in Africa. Combining rigorous research with knowledge brokering to bridge the gap between evidence and action, INCLUDE's overall goal is to produce knowledge, share it widely, and help others use it…

Leiden University Centre for the Arts in Society (LUCAS) is dedicated to ground-breaking and interdisciplinary research dealing with the relations between culture and society.

Our analytical facility supports IBL researchers by centralizing major instrumentation under a single management structure within dedicated laboratories. The available equipment includes both liquid and gas chromatography systems, along with a range of advanced mass spectrometry instruments such as…

The mission of Software and AI in Business (SA&B)connects the domains of science, business, and policy. Scientific research we focus on at Leiden in areas such as artificial intelligence promises to reshape our societies for the better. Translating science into positive societal impact however requires…

How did learned natural historical inquiries into the underwater world develop in eighteenth-century Europe?

What is the optimal design of sandy solutions for sustainable climate change adaption, from an ecological, biophysical and societal point of view?

An important aspect of the promotion and safeguarding of good practices at the Institute of Psychology is to make sure that employees are being facilitated and guided by offering information about and resources for training. On this page, an overview of various mandatory and recommended training is…

Leiden was European City of Science in 2022: for a year Leiden was the capital of European science. Leiden University was a proud partner of Leiden2022.

The purpose of the initiative is to establish Central Asian Studies at Leiden University. Central Asia is a region with fluid borders stretching into present-day Afghanistan, Russia, China, Mongolia, Iran and the Caucasus; a premodern highway of global interaction and today increasingly important as…