Roy is affiliated with KWPS as of counsel. He assists national and international clients with due diligence, rulings with the Tax Authorities, objection and (higher) appeal procedures, mergers, acquisitions, and restructurings. Roy also has special expertise in the field of equity-based compensation.

After studying tax law at the University of Amsterdam, Roy specialized in payroll taxes. He started his career as an inspector at the Tax Authorities. He then worked at KPMG Meijburg & Co. and now has over 25 years of experience in the field of payroll taxes. Roy is a partner at Tekz Tax Advisors.

Roy is a member of the Dutch Association of Tax Advisers (NOB) and serves on the board of the Payroll Taxes Section of the NOB. He has several publications to his name.