Sophie has worked at Ysquare as an assistant since March 2024. She obtained her Bachelor’s degree in Law in 2022 and has been pursuing a Master’s degree in Law since 2023, specializing in private law and criminal law.

Pauline works on complex civil litigation and arbitration, in commercial and corporate disputes. Before joining Ysquare, Pauline worked as a lecturer in private law and skills training at the University of Amsterdam. During her double master’s degree in private law, she worked as a registrar at the District Court of Midden-Nederland, completed a student traineeship … Continued

Tim specialises in commercial litigation before the Dutch courts. He has experience in drafting and litigating commercial contracts, mass claims, (other) liability matters and issues of procedural law including letters rogatory. Prior to joining Ysquare, Tim worked in the international litigation practice of De Brauw Blackstone Westbroek. At De Brauw, he also gained experience in … Continued

Jan specialises in complex corporate and commercial disputes. He is well versed in matters relating to commercial contracts, post M&A disputes, joint ventures as well as professional liability and director liability. He represented clients across various sectors including private equity, finance, energy, accountancy and government. Jan has been in practice as an attorney since 2007. … Continued

Joaquim specialises in international commercial and investment arbitration, and (cross-border) litigation. Joaquim has worked on a variety of cases concerning investment protection, energy-related disputes, contractual disputes, and liability matters. He has acted as counsel in arbitrations under the rules of ICSID, NAI, ICC, and UNCITRAL. In addition, Joaquim regularly acts as counsel in national court … Continued

Livia joined Ysquare as an assistant in February 2026. She has been studying Law at the University of Amsterdam since 2025.

Robbert Jan specialises in complex civil proceedings. He acts as counsel in all sorts of commercial disputes and class actions. Robbert Jan has extensive expertise in, inter alia, matters on director’s liability, securities litigation, and insolvency related affairs. As an attorney, he has represented multinationals in various industries, (international) financial institutions, big four audit firms, … Continued

Chloe joined Ysquare as an assistant in February 2026. She has been studying Law at Leiden University since 2025.

Marc is a litigator in the broadest sense of the word. He has more than 25 years of experience in the litigation and arbitration practice. Prior to Ysquare, Marc was with De Brauw Blackstone Westbroek, where he was also a board member for five years. Marc has represented clients on a broad spectrum of issues … Continued