‘Intelligence and security services need to adapt urgently to their constantly changing environment,’ says Professor by Special Appointment Bas Rietjens.

Information provided by the Tax and Customs Administration is something that concerns every citizen. So it is not surprising that the Tax hotline receives around 10 million calls each year. The Benefits Affair emphasised the citizen’s perspective in communications with the Tax and Customs Administration.…

You may have noticed this happening more often: your municipality sends you an online questionnaire to find out your opinion on the renovation of a certain area or the design plans for a new district. But how inclusive are these online platforms where citizens can participate in decisions on government…

These days we do not just have wars and civil wars – more of a global civil war, says Bashir Azizi, who received a PhD in April 2020 for his thesis on global citizenship. The second edition of his thesis was recently published.

As a student, Thijs Brocades Zaalberg was primarily interested in diplomacy surrounding conflicts. Through research on peace operations and subsequently the fight against guerrillas, he became increasingly involved with the most violent aspects of colonial warfare. Per 1 September 2024 he is appointed…

How can we manage our natural resources more sustainably? That’s the key question behind the United Nations’ International Resource Panel (IRP). The panel recently welcomed a new member: René Kleijn, Professor of Industrial Ecology at Leiden University. We asked him three questions about his new rol…

From 25 March to 15 April, the photo exhibition 'NATO and the Netherlands: A Journey' will be on display on the third floor of Wijnhaven.

Young people have the right to be involved in decision-making on matters that affect them, including their education. Ben Smit, researcher at ICLON, studied how to increase student participation, among other things through participation in research. Defence on 6 September.

On Monday 8 April, a high-profile guest visited Leiden Law School. Dutch Minister for Foreign Trade and Development Cooperation Geoffrey van Leeuwen gave a powerful speech to students about defending our interests in all current global developments.

Organisation

Charlotte Parree won the Jaap Doek Children's Rights Thesis Prize on Tuesday afternoon, 6 December, with her thesis entitled 'Suffering knows no age; active termination of life does.' The prize was awarded for the tenth time by em. prof. Jaap Doek.

On 30 October 2025, Eleonora Dagienė successfully defended her PhD thesis at Leiden University, titled ‘Quantitative Research Assessment and its Unintended Consequences’.

I am a Lecturer in Contemporary Military History and Security Studies, teaching in both the History and International Relations programmes here at Leiden. I grew up in Yorkshire, England and was interested in history and international politics from a young age. In 2003 I went to the University of Cambridge…

External PhD candidate Liselore Tissen has been appointed ambassador for Leiden City of Science. As the youngest member and the only non-professor in the network, she will be working to raise Leiden's prominence as a city of science.

On 28 January 2025, Philip Purnell successfully defended his PhD thesis at Leiden University, titled "Bibliometrics in the Context of Research Evaluation and Research Policy".

Assistant Professor Juan Masullo of the Institute of Political Science has been awarded the 2025 Alexander George Best Article Award for his work on interviews and process tracing.

Veel Nederlanders hebben fysieke, psychische en sociale problemen tegelijk. Zij hebben hulp nodig van meerdere professionals uit verschillende organisaties. Fia van Heteren onderzoekt hoe deze professionals met elkaar én met cliënten samenwerken, en welke factoren deze samenwerking versterken of bel…

Professor Ian Lilley, the Faculty of Archaeology’s Willem Willems Chair in Archaeological Heritage, was invited by Her Excellency Mrs. Marion Derckx, Ambassador of the Kingdom of the Netherlands in Australia, to present the 2022 commemoration speech for Netherlands Memorial Day on May 4th at the Netherlands-Australia…

Organisation

A team led by Dr. Yannick Veilleux-Lepage (Institute of Security and Global Affairs) and Joris Larik (Leiden University College The Hague) have secured research funding from the Canadian Department of National Defence and Canadian Armed Forces funded RWE-CAF Research Network.

Inaugural lectures and PhD ceremonies are usually held in the Grand Auditorium in the Academy Building. Due to its temporary closure for the installation of a new audiovisual system, Lokhorstkerk is serving as an alternative venue. Beadle Erick van Zuijlen tells us more.

Many students who graduated during the pandemic were unable to celebrate their graduation in style. To make up for this, they were given the chance to sign their name in the Sweat Room on Friday 26 May.

The European Commission has selected a consortium of major European launcher and satellite manufacturers, operators and service providers, as well as policy and legal research centres and institutes to study and provide guidelines and recommendations on Space Traffic Management (STM). The IIASL of Leiden…

Organisation

Which collaborative learning approaches already exist in conservatoire education, and how could such approaches be implemented? This is the subject of Tamara Rumiantsev’s (PhD candidate at ICLON) thesis. Defence on 14 April 2022.

Martijn Kitzen has been appointed professor by special appointment of Military Science at ISGA on behalf of the Royal Netherlands Society for War Studies (KVBK).

2024 was a remarkable and eventful year for the Faculty of Governance and Global Affairs. In this year overview, we look back month by month at the key events and developments.

The PhD track involves many different aspects. As well as important administrative steps that you have to take, for example, there are also introductory activities, a training programme and opportunities for research abroad.

There is a real chance of war closer to home, political and military leaders in Europe have warned. What does Frans Osinga, Professor of War Studies, think about the threat and what we should do?

Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…

To read Chekhov in the ‘original’. That was what motivated Arie van der Ent to study Slavic languages and literature with Karel van het Reve at Leiden University. ‘My love for Chekhov hasn’t faded,’ says Van der Ent from his home 60 kilometres south of Kyiv. ‘But it has for the rest of Russia.’

What do you derive your self-esteem from? Not a question you would quickly expect in a course on leadership. Lecturer Michel Don Michaloliákos opted for a unique approach to 'A Taste of Leadership', an Honours course with introspection as its core theme.

The digital age offers unprecedented opportunities: information is always accessible, systems are interconnected, and processes are automated. However, these developments also give rise to new threats. During the Night of Digital Security on 26 May at the Wijnhaven building, more than experts shared…

NATO not only safeguards our security and stability, but also defends Enlightenment principles, promoting prosperity, health and freedom. This is what eminent psychologist and thinker Steven Pinker argued to a packed Great Auditorium.

Ambroise Paré, Thomas Sydenham and Herman Boerhaave: all were great medical innovators in their time. We know far less about the 19th-century Russian physician and scientist Nikolay Ivanovich Pirogov. PhD candidate Inge Hendriks researched him in Dutch and Russian archives and collections. She discovered…

The response of international organizations to the problems of cross-border death and gift taxation needs to be revisited, according to PhD candidate Vassilis Dafnomilis. PhD defence on 3 June 2021.

PhD defence

Due to the increasing resistance to certain antibiotics, the life-threatening condition sepsis is becoming harder to treat. For her PhD project, Leiden pharmacologist Feiyan Liu used mathematical modeling to find out how antibiotics can be used more effectively to cure sepsis.

In the Netherlands, 1.55 million people suffer from cardiovascular diseases. Yet, acute cardiovascular events, such as a heart attack or stroke, often occur unexpectedly. That is because many people do not know they are at risk for such an event. Immunological researcher Amanda Foks and her colleagues…

How is our perception of sound informed by the way we participate in the world? That is the question PhD candidate Gabriel Paiuk has been pondering in recent years. 'The way we experience sound is informed by material, technical and collective conditions that influence our interaction with the envir…

In secondary education, teacher collaboration is used to further teachers’ professional development. In her dissertation, Loes de Jong (PhD candidate at ICLON) examines how various collaborative initiatives stimulate teacher learning. Her thesis defence is on 20 May 2021.

On Saturday 25 June, the Europa Institute of Leiden University hosted the 61st Leiden-London Meeting, an annual event organized jointly by the Europa Institute and the British Institute of International and Comparative Law (BIICL). This year’s meeting had “Interdependence, cooperation and strategic…

Ten years later, a group of veterans still struggle daily with the effects of their deployment to Afghanistan. Sanne van der Wal, a PhD candidate at the Leiden University Medical Center (LUMC), conducted research into the effects of PTSD.

How does audio-visual material shape the identity of people when those people do not own their own land and are being oppressed? Bahar Simsek delved into the effect of film on the Kurdish identity. She will obtain her PhD on 4 May.

Europe lives! This became clear last Friday when students debated with the French ambassador to the Netherlands, H.E. Luis Vassy, and his German colleague, H.E. Dirk Brengelmann, on a range of topics relating to Franco-German relations and the European Union.

A cover over your drink in the pub, deodorant as pepper spray or headphones to avoid hearing catcalling: many women use everyday objects to feel safer in public spaces. Student Anne van der Linden made an online exhibition about this.

Just as some people today dislike English influences on the Dutch language, in early modern times people also criticised the Frenchification of Dutch. But to what extent did French actually leave its mark in our language? PhD student Brenda Assendelft made a surprising discovery. PhD defence 24 May.

Can a robot help prepare cancer medication in a hospital pharmacy? That’s what hospital pharmacist Tjerk Geersing investigated in his PhD research. He compared manual and automated preparations in terms of quality, efficiency, and safety. He graduated on 19 March.

Psychologist Bramesada Prasastyoga discovered that small business owners who engaged in entrepreneurship mostly for the pursuit of rewards and opportunities tended to be more willing to grow their businesses than those who engaged in entrepreneurship mostly due to the need for security and necessity,…