Maarten, in combination with his professional tennis career, completed the studies in business economics and tax law. After this he gained more than 11 years working experience at the medium-sized accountancy firm Berk (now called baker tilly birch). He then worked for 6.5 years at a small regional accounting firm. His activities at these two offices consisted mainly of compiling and auditing annual accounts as well as tax and administrative services. At IUS Maarten is responsible for the control of a number of companies in the SME segment. Maarten has completed the theoretical part of the Accountant-Administration Consultant (AA) program and expects to be able to complete the practical part at the beginning of 2016.