Joke gained her initial work experience at Goudse Verzekeringen as an underwriter and claims handler in the Transport department. During that time, she obtained her Insurance B diploma.
In 1995, as part of a business administration course, she gained practical experience at a loss adjustment firm. After successfully completing this course, she was offered a permanent position with that company in the Technical Insurance department.
Since the 1st of March 2007, she has enjoyed being responsible for the accounting for both branches and when required she also supports 'her men’ from a secretarial point of view.