When, after four years or more, you have finished your manuscript, it is time to request the Graduation Formalities to start the defence procedure.

When after four years or more, you have finished your dissertation, it is time to prepare for the defence procedure.

On this page you can follow PhD defences by Leiden University researchers via live stream.

Embedding ethical legal and societal aspects for responsible military AI.

When you have finished your dissertation, it is time to prepare for the defence procedure.

When you have finished your dissertation, it is time to prepare for the defence procedure.

What are the host immune defence mechanisms that control intracellular infections and how are these subverted by pathogens?

Despite substantial progress in understanding tuberculosis (TB), the eradication of the TB epidemic is still far from reach.

My research project aims to analyze reasons of the European Union’s (EU) inadequacy to develop a strong Common Security and Defense Policy (CSDP) with regard to the role of main EU member states, namely Germany and the United Kingdom (UK) and find the answer of how the EU overcome the CSDP question…

Eva Michaels & Monika Sus examines European Strategic Autonomy (ESA) as the EU’s response to the fragmentation of the Liberal International Order.

In this article, Dimitrova, Gürkan and Koops presents a general framework for capturing and systematicallyanalysing critical junctures and degrees of change in EU policies.

Eva Michaels & Monika Sus examine strategic autonomy in EU foreign policy, tracing evolution from the 1998 Saint-Malo Declaration to its current focus.

It is a pleasure to announce that graphic designer Joost Grootens successfully defended his dissertation on April 23 to obtain the doctoral degree at Leiden University. Due to the coronavirus measures, it was not possible to organize a public defence.

On 21 October, Andrea van Leerdam will defend her thesis ‘Woodcuts as Reading Guides. How Images Shaped Knowledge Transmission in Medical-Astrological Books in Dutch (1500-1550)’. To register, send an email to woodcutsasreadingguides@gmail.com.

How can the problems in establishing a sustainable common security and defence mechanism for the EU be explained?

The JASON Institute, together with the Jean Monet Centre of Excellence, Leiden University Campus The Hague, the Ministry of Foreign Affairs and Jonge Atlantici, is very pleased to invite you to the Symposium on European Defence- and Security Policy.

This open access volume surveys the state of the field to examine whether a fifth wave of deterrence theory is emerging. Bringing together insights from world-leading experts from three continents, the volume identifies the most pressing strategic challenges, frames theoretical concepts, and describes…

Each year, poppies disperse seeds that grow into a new generation of flowers. Sometimes, some of the seeds postpone their germination for a few years, for example when they’re covered by a layer of sand. Only when the sand disappears, do they start to sprout. Margriet Oomen did mathematical research…

In this article, Linde Desmaele examines the dilemmas created by US burden sharing policies from the perspective of Washington's European protégés.

A record number of 417 PhD candidates defended their theses in 2016. How many of these were cum laude? What were their propositions? The advantage of dirty nappies, for example. Read about the facts and figures on PhD defences in 2016.

From 26 until 28 January Leiden Law School hosted the regional training for lawyers as part of the EU funded project Advancing the Defence Rights of Children, organized by Fair Trials.

Stephanie Rap and Chrisje Sandelowsky-Bosman have contributed as authors to the online training manual for lawyers, that is developed as part of the training programme Advancing the Defence Rights of Children.

Samineh Bagheri is the first PhD candidate to defend her thesis fully remotely.

The outbreak of coronavirus has radically changed our life and work. We have had to work, teach and conduct research from home. How has coronavirus changed your work? What do you miss most? And what is keeping you going? We asked a few colleagues.

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.

For his PhD, historian and army major Dion Landstra researched the effectiveness of observers in peace operations in the Balkans between 1991 and 1995. What risks are acceptable for bringing about and maintaining peace? Landstra will defend his PhD on 28 September.

Met de voorgestelde Wet wil Defensie sneller kunnen inspelen op internationale dreigingen, door uitbreiding van kazernes en militaire oefenterreinen te realiseren. Universitair docent, Rogier Kegge, spreekt in EenVandaag over deze gereedstelling van Defensie en de rechtsbescherming voor omwonenden.

Het rapport van de Commissie Sorgdrager naar aanleiding van de Hawija-zaak, wijst uit dat Defensie niet transparant is over eigen fouten. Wim Voermans, hoogleraar Staatsrecht, bevestigt in Nieuwsuur dat ‘Defensie een patroon laat zien van verkeerd en onjuist informeren van de Tweede Kamer.’

What makes peace missions succeed or fail? Which new technologies will determine the outcome of wars? In recent decades, insufficient use has been made of knowledge of modern warfare, when this is crucial to European security. This is what Frans Osinga, Professor by Special Appointment of War Studies,…

Terwijl NAVO-landen hun defensiebudgetten fors verhogen, ontstaat ruimte voor start-ups om innovatieve technologie te leveren. De flexibiliteit en snelheid maken hen aantrekkelijk voor defensie, maar de opmars brengt ook risico’s met zich mee, waarschuwt Louisa Handel-Mazzetti, promovenda bij Lucht…

Guidelines, rules and other important information for PhD candidates are described in detail in various documents. In addition, FGGA has developed faculty-specific guidelines and best practices, which are collected on this page as well.

Are you graduating at the Faculty of Science? Or are you supervising a PhD student? At the Graduate School of Science you find support at every phase of your PhD.

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

The Leiden Institute of Chemistry (LIC) is the basis for research and collaborations of the Leiden chemistry groups. Chemistry is the central science enabling a healthy future in a sustainable society. Chemistry researchers at Leiden University take a fundamental approach in finding tailored solutions…

Welcome to the Graduate School of the Faculty of Humanities.

Making an impact by creating solutions for the challenges of the future. That’s what we do through our education and research in biodiversity and sustainability, artificial intelligence, complex networks, new medicines, quantum technology, and galaxies.

Welcome to the Leiden Science community! Throughout the year, our faculty hosts a range of events designed to bring together students and staff. From interesting lectures to lively gatherings and ceremonial milestones, there’s always something happening for you. Explore the upcoming events and make…

The objective of the PhD Education and Supervision program is to educate PhD candidates in becoming professionals who are competent to conduct scientific research in the field of the pharmaceutical sciences independently.

PhD defence