Professor Jan Melissen (ISGA) is the recipient of the 2022 ISA Distinguished Scholar Award in Diplomacy Studies. It is the first time this prize has been awarded to someone in Europe. Melissen: ‘I am very honoured and humbled to be the first person to receive this award outside North America.’

On Wednesday April 8, 2026, the Austria Centre Leiden and the Special Chair for Central European Studies hosted the Seventh Annual Lecture in Austrian Studies.

From 1 August, Hermen Jan Hupkes has been appointed Professor of Non-Linear Analysis at the Mathematical Institute. 'Initially I don't think that much will change,' Hupkes says. 'My research and supervising future researchers will continue as before.'

A knowledge-sharing session was held on Thursday 25 March for members of boards of examiners. Good reason to give one of them a call. We spoke to Jan Jansen, Chair of the Board of Examiners for Cultural Anthropology and Development Sociology (Faculty of Social and Behavioural Sciences) and an external…

Jan Aarts will stay on as scientific director of LION for another year. He has been reappointed until 1 March 2024. His successor is already known. Sense Jan van der Molen will take over next year. He will be the new scientific director of LION until 1 March 2028.

On June 30, eLaw - Center for Law and Digital Technologies of Leiden University organised the annual Hans Franken Lecture. This year the lecture was delivered by Jan Kleijssen, former Human Rights Director at the Council of Europe.

This Thursday, January 18th 2024, our esteemed colleague Jan Zaanen passed away. Jan was one of our star scientists, larger than life, with an unabashed, boisterous drive for the best of physics at the Institute Lorentz, at the Leiden Institute of Physics and in the full international scientific community.…

Jan Pronk has been reappointed by the Executive Board of Leiden University as Executive Director of the Faculty of Archaeology. Pronk will begin his second term (2026-2029) on March 1st.

In March, Jan Pronk starts as the new Executive Director at the Faculty of Archaeology. We sat down with him for an interview on his background, his drive, and his take on archaeology.

The Irish meat magnate Larry Goodman is under scrutiny: he is thought to have evaded taxes by using a Dutch company, among other things.

In the podcast Het Geldspoor, Professor of Tax Law Jan van de Streek speaks about the profession of tax advisers. 'Tax consultants should take a firmer stance more often’, says Van de Streek.

Last week, the sad news reached us that Dr Jan Schmidt passed away on 11 August 2025. We wish his partner, friends and family strength and comfort as they cope with this loss. Jan Schmidt will be remembered as one of the most prolific and learned scholars in the field of Ottoman codicology and histo…

Grabovski spoke in various media on the occasion of Holocaust Remembrance Day on 27 January 2022.

The Dutch Ministry of Finance says that new rules have significantly reduced tax avoidance via 'transit country' the Netherlands. Jan Vleggeert, Professor of Tax Law, has voiced his reservations about this claim in the media.

The coronavirus pandemic has spelt disaster for some businesses, while others have seen their profits soar. This has led to politicians to consider introducing a ‘corona’ tax where the winners from the pandemic will help the losers get back on their feet.

Conducting research with academics from different disciplines is not easy. ‘But collaboration is vital to society,’ says Professor of Environmental Sustainability, Jan Willem Erisman. On behalf of Leiden’s Liveable Planet interdisciplinary programme, he is organising a symposium that will be held on…

On 1 March 2023, the Dutch Safety Board (Onderzoeksraad Voor De Veiligheid, OVV) published its report on the protection provided by the Dutch security services and lessons learned from three cases. The OVV was highly critical of the use of key witnesses and the protection offered to them. Jan Crijns,…

After 7.5 years, Jan Kolen is stepping down as Dean of the Faculty of Archaeology. For him, it does not feel like a dramatic moment. ‘It is part of the role: you pass the baton on to someone else.’ He adds with a smile: ‘And I will remain connected to the faculty, so it is not really a farewell.’

When Professor of Tax Law Jan Vleggeert delivered his inaugural lecture in Leiden University’s Academy Building on 30 October 2020, only 30 people were allowed to attend due to coronavirus measures. On 10 June 2022, Vleggeert was therefore given the opportunity to deliver a lecture to a much larger…

As of 1 November, Jan Vonk has been appointed full professor of Mathematics at the Mathematical Institute (MI). The institute is delighted with Jan’s appointment, as is he. ‘At the MI we combine the abstract with the concrete like no other.’

The Dutch Tax Authorities leaked information about an international tax audit to Uber. In addition, they ‘obstructed and delayed’ an investigation by other EU Member States, says the International Consortium of Investigative Journalists (ICIJ) based on internal documents from the tech company.

Education

What is the current state of democracy and how do we understand the effects of public support on democracy? The two-day symposium Support for Democracy: Measurement, Explanation, and Effect

Jan Joosten studied civil and tax law in Leiden from 1985. After exchanges and an internship, he became infatuated with the United States. He is now a partner and co-founder of a new law firm in New York: Pierson Ferdinand.

Physicist Sense Jan van der Molen researches materials that do not exist in nature. ‘It’s fascinating to see how the properties of a material change if we manage to make it super thin.’ He will give his inaugural lecture on 21 October.

On 22 November, Leiden scientist Jan Vonk received an ERC starting grant for his research on the building blocks of mathematics. This grant is not his first this year: in fact, this July Vonk also received a Vidi from NWO. Four questions to the scientist who got two grants this year.

They were eagerly awaited: four letters from five ministers that should provide clarity on how to get us out of the nitrogen crisis. Nitrogen expert Jan Willem Erisman explains the plans. And says whether they will get us out of the nitrogen crisis.

On 5 October, mediator Johan Remkes presented his report on the nitrogen crisis and what he thinks is the best way forward. Leiden University professor and nitrogen expert Jan Willem Erisman responds to Remkes’s recommendations. ‘It’s a step in the right direction.’

Sense Jan van der Molen is vanaf 1 maart de nieuwe wetenschappelijk directeur van het Leiden Instituut voor Onderzoek in de Natuurkunde.

On 11 April, we marked an important milestone for our LLB students who celebrated at their graduation ceremony.

December marks the 15th anniversary of the Dual PhD Centre (DPC). Director Johannes Tromp and associate professor Mark Dechesne look back and ahead. Dechesne: ‘The DPC forms a 'community of knowledge' in which science and society are connected.’

Opponents of drastic nitrogen measures argue that the nitrogen calculation model is not reliable enough. Nitrogen professor Jan Willem Erisman: 'It is now much more important to discuss the choices we make on the basis of the outcome. The differences are much bigger than the uncertainties in the mod…

SOLO (Dutch: Support voor Onderzoek, Laboratoria en Onderwijs) supports FSW faculty members who need help with the use of ICT and equipment in research or education.

On December 4, 2024, Prof. dr. Sarah Cramsey gave a short lecture before a film at the Czechoslovak New Wave Film Festival in Rotterdam. The festival was expertly organized by Ms. Hana Schenkova, the Director of the Czech Centre in Rotterdam, and featured more than a dozen films from Czechoslovakia…

Last Friday, June 3rd, students, professionals and academics put their knowledge to the test during the Leiden Leadership Pubquiz/Leiden Leadership Summer Café. The pubquiz, hosted by Eduard Schmidt, touched upon public leadership in the news, posed statements about remarkable leadership research, and…

Finance

On 7 November, we marked an important milestone for our Law and Criminology bachelor's students who celebrated at their graduation ceremony.

In a topping out ceremony on Thursday 30 January, the new sports centre celebrated reaching its highest point and looked ahead to the future. The university will have a spacious and sustainable sports building by the start of 2026.

An education grant may be available for collaboration with universities outside The Netherlands. This webpage contains information about the available grants, application procedures and where to look for help and advice.

Het Leiden Leadership Centre (LLC) neemt deel aan het Enabling City Transformation Programme. Samen met de Gemeente Den Haag en andere lokale partners zet het LLC zich in om bewoners en gemeenschappen te betrekken bij de transitie naar een klimaat neutrale stad.

Leiden University and the Municipality of Leiden will develop new plans for an alternative Humanities Campus in the city centre. This means they will not proceed with the compulsory purchase of the De Doelen housing complex to facilitate the construction of the new Humanities Campus. The plans to demolish…

A ‘world class institute’ with a ‘vibrant atmosphere’, doing research on a continent that is ‘becoming increasingly important’. That is how Annetje Ottow, president of Leiden University’s Executive Board, described the African Studies Centre Leiden (ASCL) on its 75th anniversary celebration on 8 September…

Conference