Decades of experience

Meet our team

Our team brings together decades of experience in international tax, with backgrounds at leading Dutch tax law firms, Big4 and the Ministry of Finance. We believe that we can do business better and more efficiently in the flexible environment of a tax boutique, while delivering the highest standard of tax advice.

Team

Carla Vaz - Office manager

Carla ensures the smooth daily operation of our office and supports both clients and team members behind the scenes.
Team

Marie Oudemans - Partner

Marie has more than 15 years of experience in international tax consultancy. She advises multinational clients on various international tax and transfer pricing matters.
Team

Marc Zaal - Transfer pricing consultant

Marc advises on transfer pricing documentation and brings broad international experience across various industries. He supports clients with both interim and long-term needs.
Team

Michiel Suijker - Partner

Michiel advises on international tax and transfer pricing matters. Michiel has experience in litigating tax matters up to the Supreme Court. Next to his role as partner, Michiel lectures at the University of Amsterdam.

Paul Sleurink - Senior M&A and international tax counsel

Paul has a transaction-driven practice, focusing on M&A, international structuring, and financing. He also has experience as an expert witness before the US Tax Court.
Team

Weimin Feng- China desk

Weimin connects Chinese clients with the Dutch business environment and supports tax compliance as well as broader professional services.
Team

Willem Otterspeer - Partner

Willem is the founder of OHP and a highly experienced Dutch tax advisor. He assists multinational companies and private clients with international tax matters, M&A and Dutch tax audit processes.

Part of the International Fiscal Association

​​We are an active member of the International Fiscal Association (IFA), the leading global network for fiscal professionals. This membership gives us access to the latest developments in international tax law and connects us with leading experts in over 100 countries.

Careers