
Jan Willem is an international corporate finance lawyer with a focus on cross-border equity capital markets transactions.
For over a decade, Chambers and Legal 500 have consistently ranked Jan Willem in Tier 1 for equity capital markets, with Legal 500 welcoming him into their Equity Capital Markets Hall of Fame for the Netherlands.
“An 'outstanding adviser' and an out-of-the-box thinker”
Profession
Lawyer
Languages
Dutch, English, French, German
Education
University of Leiden
Harvard Law School (LL.M)
Additional positions
IBA Co-Chair Securities and Capital Markets Committee
24 September 2025
19 August 2025
30 June 2025
27 March 2025
27 February 2025
27 October 2023
12 October 2021
16 March 2020
20 June 2019
20 June 2019