De nieuwe wet Verduidelijking beoordeling arbeidsrelaties en rechtsvermoeden (Vebar) moet duidelijk maken, wanneer iemand als echte zzp’er wordt beschouwd of als werknemer. Stefan Sagel, hoogleraar arbeidsrecht, schreef een opiniestuk over dit onderwerp in de Telegraaf.

Labour law experts have called on the Dutch government to review the bill for the Dutch Assessment of Employment Relationships and Legal Presumption (Clarification) Act (‘VBAR’). Experts consider this legislative proposal, which aims to clarify the criteria for assessing employment relationships, as…

The Leiden Institute of Advanced Computer Science (LIACS) received a grant award from NWO for a joint proposal with Centrum Wiskunde & Informatica (CWI, Amsterdam), Tata Steel (IJmuiden), BMW (Munich), and database company MonetDB. Within the NWO Data Science program ‘challenging big data‘, LIACS is…

The right to strike is regulated by the European Social Charter, but employers also have the right to take collective action. Employers actually resorting to this in reality hardly ever happens, however. Instead, we constantly hear about workers going on strike.

On Wednesday 24 April 2024, the European Integration cluster at the Institute of Political Science and the Centre for the Study of Political Parties and Representation hosted a panel on the topic of 'The 2024 European Parliament election: what’s at stake?'

In an attempt to retain employees and tackle shortages in the labour market, some employers are now prepared to go further in offering attractive employment benefits. Dutch news programme 'Nieuwsuur' has discovered that large international companies, like Uber, McKinsey, and Salesforce, are prepared…

Embryonic stem cells have the remarkable ability to develop into any type of cell. On their way to become for example a liver or a heart cell, they must repeatedly decide between alternative developmental paths. How they make these decisions is largely unknown. An international team of biophysicists…

Kidney failure is a serious issue because kidneys cannot regenerate themselves after injury. A possible solution consists of artificially growing healthy kidney tissue. To achieve that, scientists first need to understand kidney development during the earliest stages, in the fetus. Leiden researchers…

The province of Zuid-Holland faces a wide range of global sustainability issues caused by urbanisation, intensive horticulture and industry. The universities of Leiden, Delft and Rotterdam have the in-house expertise to define knowledge questions, set up research programmes and test results, says Prof.…

The Journal of Global Slavery (JGS) aims to advance and promote a greater understanding of slavery and post-slavery from comparative, transregional, and/or global perspectives. It especially underscores the global and globalizing nature of slavery in world history.

Onlangs verscheen het boek ‘Afgrond zonder vangnet’ van Yra van Dijk, hoogleraar Moderne Nederlandse Literatuur. In haar boek analyseert ze verschillende thema's in het werk van Arnon Grunberg.

As a result of two attacks in Germany and one attack in France within only one week, fears of new terrorist attacks in Europe have reignited. In France a radicalised police agent stabbed and killed four people. In Germany a man from Syria drove his car into a line of cars wounding sixteen people and…

Seksueel grensoverschrijdend gedrag op de werkvloer moet strenger worden aangepakt. Zo stelde regeringscommissaris seksueel grensoverschrijdend gedrag Mariëtte Hamer na haar benoeming begin 2022. Een jaar later verschijnt haar ‘Handreiking meldingen van seksueel grensoverschrijdend gedrag op de werkvloer’.…

In an appeal case, an employee of a care organisation in Nijmegen who was shown the door because of her criticism about the coronavirus voiced on LinkedIn, has had her dismissal reviewed. The court in Arnhem ruled that the employee had crossed a line and that her employer was entitled to dismiss her…

After an intensive tender procedure, Leiden University and the Municipality of Oegstgeest have chosen Dura Vermeer for a new housing development with plenty of affordable homes in Nieuw Rhijngeest-Zuid. Dura Vermeer seeks to create a green and playful neighbourhood with welcoming public spaces as its…

The Choose a Language Day was created to make high school students enthusiastic about choosing a linguistic profile and further education. Third-years were able to learn about different language studies at the Faculty of Humanities.

On 27 February 2025, Melanie Fink took part in a Workshop on ‘Lawyering for change - but what change exactly?’ that took place at the University of Amsterdam and was organised by Pola Cebulak, Marta Morvillo, and Stefan Salomon.

On 11 February, during a symposium at De Brauw Blackstone Westbroek, the first copy of the book ‘Corporate Structuring’ was presented to the publisher, Gert-Jan Schinkel.

Leiden University, Delft University of Technology and Erasmus University Rotterdam are important players in the world of self-learning machines that can work together with people. Moreover, the three have close ties in the field of AI and hope to further strengthen this collaboration in the future.…

Leiden University is seeking bids from developers for housing in Nieuw Rhijngeest-Zuid, the Oegstgeest part of the Leiden Bio Science Park.

Dutch greenhouse horticulture is a world leader when it comes to innovative capacity and sustainability, but ‘the challenges are great in terms of energy, water, environment and biodiversity,’ says Peter van Bodegom, coordinator of AgriFood at the Centre for Sustainability of the Leiden, Delft, Erasmus…

Leiden archaeologists investigate how people in the past impacted their environment. Together with scientists, environmental scientists, and humanities experts, they use this information to draw conclusions about the present – and show what we can learn from it for the future.

Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

Together Leiden University, Delft University of Technology and Erasmus University Rotterdam form the strategic alliance Leiden-Delft-Erasmus Universities.

An overview of frequently asked questions

For 125 years, Leiden University and the Leiden Instrument Makers School (LiS) have worked together on science and technology. This partnership is more important than ever today, as demand for skilled high tech professionals is growing fast: by 2030, an additional 40,000 people will be needed.

Overview of the CML reports

Anneclaire Hagenaar (30, Public Administration Alumnus 2008-2013) attends the course Public Affairs at the Centre for Professional Learning in The Hague. She is a policy officer and project leader at the province of Zuid-Holland.

The AI research in the area of peace, justice and security at each of the three universities in Zuid-Holland complements the AI research being performed by the other two. Three researchers explain. Part one in a series of five about themes that the three universities’ AI research covers.

Universities are there for future generations; how can we make sure we pass them on intact? Leiden academics responded to the address given by Cambridge professor Stefan Collini at the opening of the academic year.

On June 16, 2025, the Institute of Political Science at Leiden University hosted a panel debate about the ongoing mass student-led protests in Serbia. The protests have shaken the increasingly illiberal regime in Serbia to its core and have grown into the largest student protests in Europe since 196…

To develop a new generation of brain science (and train scientists) focused on explaining complex real-world behavioural patterns.

The new Neurodiversity Platform supports staff who need better working conditions because they have ADHD or autism, for instance. Stefan de Jong, who is organising the Platform’s first online meeting on 15 November, tells us about the initiative. Register now if you’re interested.

A young refugee who wants to give something back to the Netherlands; a Greek girl who wants to study in her mother's home country and, of course, a lot of Dutch bachelor's students. The visitors to the Leiden Master's Day on Friday 11 March were as diverse as the range of programmes offered.

Stefan Belderbos was the first visual artist to undertake PhD research in the arts at Leiden University. His doctoral defence is on 2 December. Not only will he defend his dissertation on the integration of performance art in liturgy, he will also exhibit the material results of his research in the…

This summer, the COBRA Museum will be focusing on Moroccan art. 'The other story' exhibition presents for the first time Moroccan modernism in the Netherlands. The Netherlands Institute Morocco (NIMAR) contributed to its exhibition

Leiden-Delft-Erasmus Universities will celebrate its tenth anniversary in 2022. In recent years, the alliance has expanded to include centres and new programmes as well as a curriculum of its own. What do the next ten years have in store?

The new postgraduate course in Labour Law is set to be launched this September! For many years, it was a fantastic course for anyone wanting to enhance their knowledge following several years of practical experience. We’re delighted with the updated programme and teaching staff, who include top legal…

Leiden Lockdown Lab Lore is a series of short youtube videos aimed at keeping physicists lab instincts alive during the lockdown. This time, we have a physics contest: can you solve the Cola bubble mystery?

On 21 June, the Labour Law and Social Security department and study association SLN hosted the seventh Max Rood Moot Court competition. The morning session involved teams from various universities arguing labour law cases in the preliminary round. The Vrije Universiteit Amsterdam (VU) team and Groningen…

From 26-30 June 2017 the first edition of the summer course on the Europeanisation of administrative law in the EU Member States took place in The Hague.

On 26 February 2021, Clara van Dam was invited by Dr Oana Stefan to give a guest lecture for students of King’s College London in the elective course on ‘Law and New Modes of Governance in the European Union’.

From energy transition to the nitrogen crisis: artificial intelligence can be of great help. Researchers from the three universities in Zuid-Holland are seizing the opportunity. Three of them talk about collaborative research in the AI for Energy and Sustainability focus group within the Zuid-Holland…

Over the coming year, a quartermaster will explore the possibility of a Leiden Law Park in the centre of Leiden. In a building close to Leiden Law School, researchers, students and legal companies and start-ups would together address the topics of technology, law and ethics.

What is Leiden University doing to make its buildings future-proof and independent of fossil energy?

This project intends to provide an integrated linguistic assessment of the hypothesised migration route of the Tocharians.

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

With RoMeincraft, you get to play the popular computer game Minecraft while learning about the ancient Romans. RoMeincraft, the project of the VALUE Foundation founded by (at the time) archaeologists from Leiden University, is at the interface between knowledge about the past and computer games.

The Leiden-Delft-Erasmus strategic alliance (LDE) had reason to celebrate on 17 June, when the Executive Boards of Leiden University, TU Delft and Erasmus University Rotterdam signed the new LDE strategy. Leiden-Delft-Erasmus will continue to develop their collaboration in the areas of teaching, research…

The Hub for Impactful and Engaged Research is a new collaboration that brings together five leading educational institutions in the province of Zuid-Holland: Leiden University, the LUMC, Delft University of Technology, Erasmus Medical Center and Erasmus University Rotterdam.