Jan studied at the HEAO in Sittard. From 1983 till 1992 he worked in the audit practice of Ernst & Young. During that time, Jan also followed and successfully completed the NIVRA education for chartered accountants.
After this he made a switch to the business life. Here he has gained extensive experience at various companies in the position of head of administration and financial controller. Currently, Jan holds a position as accounting specialist at Maprima.