The Claessen lab studies morphogenesis and phenotypic heterogeneity in filamentous actinomycetes, which are prolific antibiotic producers. We pursue several research projects that span areas of multicellular growth and development, stress-adaptation and microbial evolution. By using multidisciplinary…

Bernhard Brandl's research focuses on two main areas: starbursts and instrumentation. He is interested in new instrument concepts, near- and mid-IR instruments, adaptive optics, properties of starbust galaxies and infrared spectroscopy. Currently, he is the principal investigator of the METIS instrument…

Eduard Pop is a postdoctoral researcher at the Faculty of Archaeology.

Ben Haring is a University Lecturer at the Leiden University Institute for Area Studies.

Dr. Nikki Ikani is Assistant Professor Intelligence and Security. Her key interests are European Security and processes of warning and anticipation of international crises. Her work connects the fields of International Relations, Public Administration and Intelligence Studies. In 2023, Nikki won a NWO…

Greta Noordenbos became assistant professor of the Department Clinical Psychology of the Faculty Social Sciences of Leiden University in 2001. She is supervisor of Bachelor and Masterthesis about eating disorders and is coördinator of the Elective ‘Transdiagnostic Approach to Eating Disorders’. Her…

Michaël Peyrot’s research focuses on the reconstruction of Proto-Indo-European, in particular the verbal system, and on language contact and prehistory, especially in the Tocharian, Iranian and Indic branches. The leading question is how language contact can be used to draw conclusions about linguistic…

Hannelore Braeken is a PhD candidate at the Economic and Social History section of Leiden University. She is researching loneliness with individuals with mild intellectual disabilities. Hannelore studied history at KU Leuven and the Universidad de Cádiz, and obtained her master's degree in 2024 with…

Maria Yazdanbakhsh is professor in cellular immunology of parasitic infections and is the head of the department of Leiden University Center for Infectious Diseases (LUCID) at LUMC. She engages in basic and clinical research to understand host-pathogen interactions at the molecular, cellular and population…

Marcellus Ubbink studies the relation between evolution, structure, dynamics and function of enzymes, with a particular interest in beta-lactamases. He uses a range of biophysical techniques for this purpose.

Henk-Jan Guchelaar is professor Clinical Pharmacy at both the Leiden University Medical Center (LUMC) and the faculty of Math & Natural Sciences of the University of Leiden (LACDR). He is head of the department of Clinical Pharmacy & Toxicology of the LUMC and program leader of the research program…

Rint Sybesma is a professor of Chinese Linguistics at the Leiden University Institute for Area Studies (LIAS) and the Leiden University Centre for Linguistics (LUCL).

Miranda Boone is Professor of Criminology and Comparative Penology at the Institute of Criminal Law and Criminology.

Ferry A. Ossendorp is Professor Molecular Vaccin Biology and head of the Tumor Immunology group in the department Immunology of the Leiden University Medical Centre. He is also member of the Scientific Board of the Dutch Cancer Society KWF.

Lasse van den Dikkenberg is a PhD candidate at the Faculty of Archaeology.

The main research interests of Henning Basold are the study of logic and behaviour of systems, and the construction of calculi that allow us to formally describe and reason about various systems.

The Rutte IV cabinet will be sworn in soon. A fifth of the prospective ministers and secretaries of state studied in Leiden. Who are they and what did they study?

The new cabinet has finally taken office. Six of its members studied in Leiden, once again making the University a key supplier to the cabinet. Who are these alumni?

Library

A discount on textbooks is always welcome. But for these students joining a study association has meant much more than that alone.

The first results of the National Student Survey (Nationale Studenten Enquête: NSE) reveal that students at Leiden University are satisfied with their study programme.

Over the centuries painters and photographers have depicted students at study in Leiden. An exhibition at the Hortus botanicus reveals the similarities and differences in 450 years of student life.

Alistair Kefford is a historian and urbanist. He is a specialist in the development of cities and society in the modern era. His current research focuses on the rise of real estate development and its far-reaching impacts on cities and citizens all over the world. He is chair of Leiden's Urban Studies…

The English taught interdisciplinary minor Violence Studies looks into various facets of interpersonal violence. Is this minor for all Leiden students? These two 'colleagues' are certain of it.

Why do some people with adverse childhood experiences develop mental health conditions whereas others do not? A Leiden research project is looking for volunteers aged between 18 and 24 to help us understand more about human resilience.

Four of Leiden University’s master’s programmes score above average across the board according to the Keuzegids Masters 2026 guide.

Jonah Schulhofer-Wohl is Senior Assistant Professor of Political Science at Leiden University.

Mark Rutgers is Professor of Social Philosophy. As philosopher he specialises in the philosophy of administration and public sector values. All his research has been in the humanities and typically covers conceptual linguistic and historical subjects.

Ellen van Reuler is a lecturer at the Institute of Political Science.

For thousands of years, the prehistoric communities of the Low Countries followed their own path, compared with the rest of Europe. An international research team has now published these findings in Nature.

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