The Executive Board is responsible for the management and administration of the entire University.

Building cultures of legality: lawmaking and anxiety in the office of the Governor General.

The rapid expansion of research on human gut microbiome in recent decades has highlighted its role in human metabolism, immune regulation, and behavior.

On the 8th of September Yun-An Olivia Dung successfully defended a doctoral thesis and graduated.

Read more about the application procedure and apply now!

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?

Van Vark defended her dissertation 'Separation and immersion: the changing role of the armed forces in Northwestern liberal democracies’ on 17 October 2025. The doctoral research was supervised by Maartje van der Woude and Erwin Muller.

Restructuring and insolvency laws play a pivotal role in addressing the often conflicting interests of stakeholders of financially distressed companies. Whereas financial distress is an inherent risk of entrepreneurship in market-based economies, legal tools serve an important role to ensure an orderly…

PhD defence

Lecture, Comparative Indo-European Linguistics (CIEL) Seminars

Inaugural lecture

PhD defence

Inaugural lecture

Orange the World 2025

Lecture

Islam has a rich and fascinating history, but if you talk about it in the classroom, all kinds of opinions and emotions come up. 'How do I incorporate these responses into my lessons?' The Netherlands Institute in Morocco is organising a study trip on ‘Islam and Citizenship’. Fourteen teachers from…

Protests against textbooks on trans persons in America and against a reading hour by drag queens in Rotterdam: it has been raining protests recently against people with a gender expression that does not match their birth sex. Why does this evoke such resistance? We asked Professor by special appointment…

What role does the frontal lobe play in understanding sentences? Assistant professor Jurriaan Witteman has received a grant to replicate a leading study on this question. ‘As there is some doubt about the reliability of existing neuroimaging results, it’s important to replicate influential studies.’

Lindsey Boosten followed her passion by combining the study of aviation and law in the Advanced Master in Air and Space Law in Leiden. It turned out to be a great choice: ‘It was one of the best years from my student days.’

PhD defence

Alumni event, Lezing

PhD defence

PhD defence

See below for the full programme and abstracts of all papers.

History is being taught at Leiden University since the days of Justus Lipsius [1547-1606]. In 1860, following the appointment of Robert Fruin as Leiden professor of Dutch History, modern historical investigation started in the Netherlands.

Every year, the World Cultural Council grants special acknowledgements to five to ten young researchers or scholars of the host country who have achieved outstanding performance in the fields of science, education or arts.

Research at the Macromolecular Biochemistry group is comprised of the following research themes:

Meet the scientists within the LED3 community

Leiden University contributes to the Social Sciences Sector Plan through designated faculty representatives. These individuals act as contact points for specific Sector Plan themes and support coordination within and across faculties.

Sharing your knowledge with a broad audience? It’s fun – and it brings you something as well. Researchers Dietsje Jolles and Rachel Plak can attest to that. They have been taking part in science events for years. ‘Contact with the public leads to new insights.’

From 26 August until 5 September 2019, a group of 20 Chinese government officials, industry representatives and academics attended an intensive course on space law and policy at the International Institute of Air and Space Law, organized in cooperation with Avans+ in Breda.

Papers written on the occasion of the 30th anniversary of the institute of Prehistory, Volume II.

Ariadne Schmidt, Isabelle Devos and Julie de Groot provide you with refreshing insights concerning the study on urban singles in the period between 1200 and 1900.

What is the effectiveness of two school-based skills-training programs in promoting mental health?