Our management

Eelco van Solkema

Co-Founder – Managing Partner 

Eelco is specialised in international tax and has assisted companies with their international tax matters for over 20 years. His experience also includes tax compliance, accounting and corporate governance.

• International Tax partner at PWC 1990-2014
• NTS since 2015

• Master degree tax law University of Leiden 1990

Geoffrey Kuppens

Co-Founder – Managing Partner

Geoffrey holds a degree in Fiscal law & Dutch law. Geoffrey Kuppens worked as an international tax manager at PwC Rotterdam and PwC London with a focus on the UK and energy market before he started his first own company Dutch Trust Services (DTS). Geoffrey was the driving force behind DTS which he established 6 years ago and which organization has grown into a professional trust business with a variety of clients.

Hans van Loon

Director & Head of Accounting

Hans is specialised in tax compliance. Hans started his career with the Dutch tax authorities and was a tax inspector and state auditor for 16 years. Subsequently, Hans worked for 15 years as an international compliance tax manager at PWC Amsterdam for international enterprises. Hans speaks English, German fluently and joined NTS in 2016.

Mark Verhaaren

Compliance Officer

Mark has a Master degree in fiscal economics and has a focus on compliance, corporate responsibility and tax reporting. Mark
worked for 13 years in the tax, reporting and strategy department of PWC and has extensive experience in the audit of tax and
complex tax filings. Mark joined NTS in 2021 and is responsible for internal compliance.