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David Ehrhardt studies governance and institutional change in Africa, with a focus on the role of non-state leaders (such as traditional and religious leaders) in promoting changes that enhance development. He is also co-lead of the Learning Mindset innovation project, which develops and researches…

Brandon Zicha is Assistant Professor of Philosophy, Politics, and Economics at LUC. His research and teaching interest focus on how information is processed by social and political institutions and used to make collective decisions in modern societies, as well as the careful use and informed understanding…

Jaap de Hoop Scheffer is Professor Emeritus of International Relations and Diplomatic Practice (2009 - 2014). He graduated with an LL.M. degree at Leiden University in 1974. On 1 September 2009 De Hoop Scheffer was appointed to the Pieter Kooijmans Chair for Peace, Law and Security at Leiden University.…

Paul Hudson is Associate Professor of Physical Geography and Sustainability. He is a Dutch-American academic, and has been in the Netherlands since 2010 where he has considerable experience managing and leading educational programs across the university landscape. His teaching and research in environmental…

Caroline S. Archambault (Anthropology PhD, Brown University, 2007) is an Assistant Professor at LUC. Her current research focuses on human rights, international development, and demography in sub-Saharan Africa. Topics of interest include: natural resource management, education, pastoralism, urban informal…

Maja Vodopivec teaches several courses in Peace and Conflict Studies track of the World Politics major, and a course in Global History track of the Human Diversity major. Her research interest lies in postwar Japanese intellectual history and peace and conflict studies. Extension number: 8372

Kai Hebel (DPhil, Oxford University) is Assistant Professor of International Relations. Dr. Hebel’s research interests include international security, diplomacy, international history, cultural studies and IR theory. He has published on a wide range of topics, including military intervention, the Cold…

David Zetland researches the political-economy of water, the environment and the commons. As a university lecturer at Leiden University College, he teaches courses on economics, entrepreneurship, sustainability, and the commons.

Josien de Klerk is a medical anthropologist and Associate Professor at Leiden University College. She has extensive research experience in Eastern Africa on topics of aging, community-based and kinship care, HIV/AIDS and chronic caring, grief, stress and wellbeing and the politics and practices of public…

Daniela Vicherat Mattar (PhD European University Institute) convenes the Culture, History and Society major. Trained as a sociologist, her research focuses on cities, citizenship and, more recently, care. She’s interested in how dominant ideas about belonging translate in urban forms and infrastructures…

The new interdisciplinary bachelor's program in Science for Sustainable Societies starts in the 2025-2026 academic year.

The importance of science communication and cross-boundary collaboration, and the ‘mantra’ of diminishing social cohesion in society: these all came up at Leiden University’s 448th Dies Natalis. A panel discussion including Leiden’s mayor Lenferink, music and two honorary doctorates completed the special…

Due to its success, the Leiden2022 Q&A has been extended and is looking for even more thought-provoking, interesting or unusual questions.

My main fundamental research interest is computational network science. I focus on methods and algorithms for knowledge discovery from (social) network data. Through various projects, I also work on real-world applications, e.g., corporate networks, networks in economics, finance, science, infrastructure…

Tuomas Aivelo is interested in small-scale everyday multispecies encounters in backyards, kitchen counters and trash cans as these have the power to shape the world from biodiversity to human institutions. In addition to lectures and scientific publications, Tuomas shares his observations in public…

Jorrit Smit is a postdoc researcher at the Centre for Science and Technology Studies (CWTS).

Paul Wouters is Emeritus professor of scientometrics. He was Dean of the Faculty of Social and Behavioral Sciences from January 2019 through December 2023.

Want to find out how to assemble a human skeleton? Do you know what chemistry can be found around you? And are you easily fooled by fake news? Discover this and more at our Science Fair on 3 October.

James McAllister is Professor of History and Philosophy of Science at the Institute for Philosophy.

Peng started as a PhD researcher at the Environmental Biology Department of CML under the supervision of Peter van Bodegom and Visser Marco in November 2021.

Ludo Waltman is scientific director and professor of Quantitative Science Studies at the Centre for Science and Technology Studies (CWTS) at Leiden University. He is co-chair of the Research on Research Institute (RoRI).

Raymond Corbey, a philosopher and anthropologist, is an emeritus professor of both Philosophy of Science and Anthropology in the Faculty of Archaeology of Leiden University.

In his research, Van Gestel focuses on fundamental and applied research on health behaviour and behaviour change in an interdisciplinary context. He focuses on understanding the factors important for health behaviour (behavioural determinants) and on behaviour change techniques as building blocks of…

Huseyin Beykoylu is an External Ph.D. candidate at the Cognitive Psychology Unit. He has obtained a Bachelor of Medicine, Bachelor of Surgery (First Class Honours) degree from Lviv National Medical University, and a Master’s degree in Brain Sciences (with Distinction) from the University of Glasgow.

I apply data science and statistical physics methods to analyze interconnected systems, such as social and transportation networks. My main research focus is characterizing and modeling systems with time-varying and/or group interactions among their constituents, for example, academic collaborations…

Leiden University has six top bachelor's programmes according to Keuzigids universiteiten 2025, a consumer guide to university programmes. This puts Leiden in fourth place of the broad-based universities.

Hirad Rezaiejoo is a lecturer of Political Science and International Relations at the Institute of Political Science.

Max Lenssen is a PhD Candidate at the Faculty of Archaeology.

Azra Say-Ötün is a PhD candidate at the Faculty of Archaeology.

Our main research interest is to understand the underlying mechanisms of plant protection against (a)biotic stresses mediated by microorganisms. Our group is specialized in the development of new multidisciplinary approaches to systematically correlate microbial genes and biosynthetic gene clusters…