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.

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

The EUTAXGOV Chair will address the EU Standard of Tax Good Governance. This Standard has been introduced in 2008 by the ECOFIN Council with a view to tackle tax fraud and evasion by companies and individuals and as a pre-condition for third (non-EU) countries that receive EU development aid, and concluded…

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.

Henri Pirenne Institute for Medieval Studies (Ghent University) & BRON Research Centre (Musea Brugge) are organising a two-day conference on new and ongoing research on Jan van Eyck and the Northern Renaissance in Bruges.

Impressions by Wouter Baas and Caroline Schep

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…

On 29 June 2018, Jan Michiel Otto, professor of Law and Governance in Developing Countries and director of the Van Vollenhoven Institute until 2018, delivered his valedictory lecture entitled De ander als spiegel: reflecties over recht en bestuur in ontwikkelingslanden (The Other as a Mirror. Reflections…

The Netherlands must introduce a lower limit for tax on profits to prevent major multinationals not paying tax on a structural basis.

On 19 July Erik-Jan Zürcher, professor of Turkish languages and cultures, made a TV appearance in Nieuwsuur to talk about the actions Erdogan took after the failed coup.

Jan Vleggeert, Professor of Tax Law and Economics, voices criticism in Dutch newspaper Financieel Dagblad about the ‘two hats’ worn by academics whose field of study is tax law.

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.

This fall, LUCIS will have the pleasure of welcoming Professor Emeritus Geert Jan van Gelder to Leiden. He is the second Abdulaziz Saud Al-Babtain Cultural Foundation Visiting Professor in Arabic Culture at Leiden University.

How important is a child’s right to meaningful peer relationships? Vaishnavi Ramalingam wrote her master’s thesis on this topic, and was recently awarded the Royal Holland Society of Sciences and Humanities (KHMW) Jan Brouwer Thesis Prize 2026.

Last week, our The Hague Diplomacy Platform was awarded a 10.000 euro grant from the KNAW's 'Valued'-fund to help us in our efforts in science communication and spreading knowledge about diplomacy to a wider public.

On Friday afternoon 22 April President Joko Widodo of Indonesia was welcomed at the gate of Leiden’s Academy Building by Indonesian students. Inside, the President and five ministers were welcomed by Rector Prof. Carel Stolker.

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

Jan van de Streek is a tax scholar who conducts research into the taxation of multinationals. His appointment will commence on 1 January 2021.

Professor Jan Kolen was appointed Dean of the Faculty of Archaeology on September 1, 2018. We sat down with him and interviewed him about his background, the challenges he sees, and the future of our Faculty.

CompaRe aims to be a hub in a global network on comparative regional integration. For regional integration is key to meeting the challenges of our globalising world. The LEAC is now also part of the CompaRe.

Irma Johanna Mosquera Valderrama is Full Professor Global Tax Governance, EU Holder Jean Monnet Chair EUTAXGOV at Leiden Law School (Leiden University), the Netherlands and Lead Researcher of the European Research Council (ERC) Funded Project – GLOBTAXGOV.

The activities of the Europa Institute (also known as the Department of European Law) are supported by ‘Stichting Europees Instituut’. This foundation was the first of its kind in both the Netherlands and Europe as a whole. Established in 1957, its aim was to ‘support and advance the study of scientific…

As of 1 June, Leiden University has appointed Sense Jan van der Molen as Professor Physics of Condensed matter. He investigates the unique electronic properties that arise when atomic thin layers are stacked on top of each other into new materials.

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,…

Archaeologist Professor Jan Kolen has been appointed Director of the LDE Center for Global Heritage and Development (CGHD) with effect from 1 July 2013. This new inter-university heritage center is due to start in the autumn of 2013 within the framework of the strategic alliance between Leiden University,…

As of 1 September Jan-Bart Gewald has been appointed as Professor of Southern African History in the Leiden Institute for History, in conjunction with the African Studies Centre, Leiden.

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.’

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.

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.’

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…

Traditionally, at the beginning of each new calendar year, Leiden Law School awards the Meijers Prizes for the best article in the previous year for each Faculty research programme.

Recently, Evert Jan van Leeuwen was able to identify an “unknown” manuscript leaf in the William Godwin Papers of the Abinger Collection at the Bodleian Library (Oxford), while sitting at his desk in Van Eyckhof 4 (Leiden).

The ASA Board of Directors notes that, serving for almost a decade, the editors transformed History in Africa “into a peer-reviewed journal that not only engages a broad range of historical issues but commands respect throughout the field.” The award will be presented during the African Studies Association…

Impressions by Martin Küster, Master of Arts.

On Thursday 30 May 2024 Corrie van Maris successfully defended a doctoral thesis and graduated.

Jan Melissen in Trouw over wereldleiders die elkaar steeds meer schofferen

The president of Indonesia, Susilo Bambang Yudhoyono, has personally invited Jan Slikkeveer, professor of Ethnobotanical Knowledge Systems in Developing Countries, to give a lecture during the World Culture Forum. The Forum will be hosted in Indonesia from 24 to 27 November.

What does diversity mean for you? And what can Leiden University do to create a more inclusive academic environment? Participants in the diversity symposium on 13 November and speakers share their thoughts in this e-zine.

The identification of the material of prehistoric arrowheads as human bone led to interest from the media. Research Master's student Jan Dekker, the principal researcher, was interviewed by NewScientist, Smithsonian Magazine, and several Dutch news agencies.

On 24 November 2015, Prof. Carsten Stahn participated as external expert in a special plenary session of the Assembly of States Parties on the efficiency and effectiveness of Court proceedings, chaired by the co-chairs of the Study Group on Governance of the Assembly.

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.

Even as a child, Jan Willem Erisman wanted to make things better. As a professor Environmental sustainability, he is therefore also very active outside the university. He is known as the nitrogen professor: in the media all the way to the House of Representatives, he explains the nitrogen problem. Recently,…

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.’

Jan de Vetten brengt zijn promotieonderzoek ook uit in boekvorm. ‘In de ban van goed en fout’ beschrijft voor het eerst - op basis van archiefonderzoek en interviews - op samenhangende wijze de bestrijding van de CP en CD, en ook de reactie daarop van die partijen. Waarom werden ze zo fel werden bestreden?…

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.

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

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.

The jubilee conference for the centenary of the Vereniging van Drentse Gemeenten (the association of municipalities in the province of Drenthe) took place on 23 September. The conference focussed on the collaboration between the municipalities, the province and the water boards in Drenthe past, present,…

Common challenge: unique circumstances

Evidencing academic policy to everyday practice from the Erasmus COALITION project