Mees Vergouwen
Assistant Professor
- Name
- Dr. T.M. Vergouwen
- Telephone
- +31 71 527 7840
- t.m.vergouwen@law.leidenuniv.nl
- ORCID iD
- 0000-0002-5578-6974

Title research: The effect of directives in the area of direct taxation on the interpretation and application of tax treaties concluded by the EU Member states.
Employment
Mees Vergouwen is employed by Leiden University as an assistant professor for one day a week (o,2 fte) as of 1 July 2025. In addition, he works at KPMG Meijburg & Co for four days a week (0,8 fte). Prior to 1 July 2025, Mees Vergouwen worked at De Brauw Blackstone Westbroek as a tax advisor besides his activities at Leiden University as an assistant professor and PhD-fellow.
Education
International Business Administration (B), Vrije Universiteit (2011-2016)
Law (B), Vrije Universiteit (2011-2016)
Tax Law (B), Leiden University (2014-2016)
Diploma in Legal Studies (exchange), Oxford University (2015-2016)
Tax Law (M), Vrije Universiteit (2016-2017)
PhD, Leiden University (2017-2023)
PhD research
On 6 April 2023, Mees obtained his PhD for his thesis 'The effect of directives in the area of direct taxation on the interpretation and application of tax treaties'.
Assistant Professor
- Faculty of Law
- Institute of Tax Law and EconomicsĀ
- Tax Law
- Vergouwen T.M. (14 May 2024), Conflicten tussen Unierecht en belastingverdragen. IFA België, Brussel. [lecture].
- Dijkstra W.E.D. & Vergouwen T.M. (16 October 2024), Dividendbelasting. NOB, Utrecht. [lecture].
- Vergouwen T.M. (25 November 2024), HR:2022:1436 in breder perspectief: De status van eerder en later OESO-Commentaar. [lecture].
- Vergouwen T.M. & Pancham S. (13 October 2023), Conflicten tussen Unierecht en belastingverdragen. NOB-14e Rondetafelbijeenkomst Europees Fiscaal Recht - "Unierecht als verplichting: Richtlijnen en rechtsbescherming tegen de uitwerking daarvan", Den Dolder. [lecture].
- Vergouwen T.M. (23 November 2023), HR:2022:1436 (toepassing nieuw OESO-commentaar op eerder gesloten verdragen) in breder perspectief. 55e Fiscale Conferentie Global Mobility. [lecture].
- Belastingadviseur
- Redacteur NTFR
- Annotator