Jan has over 20 years of experience income tax specialist. He started his career with the Big 4 (Deloitte). He has had his own practice for over 15 years. His specialization areas are Dutch income tax and Dutch corporate income tax, including issues concerning shareholders of closely held companies, tax treaty application and solving tax disputes, including court proceedings. Jan has a Master’s Degree in Tax Laws from the University of Leiden. He has been a member of the Dutch Association of Tax Advisors for over 20 years (NOB).