He graduated in 1991, and in 2000, while in office as a Member of the Dutch Parliament, he received his PhD in the social sciences.
He received his PhD in the social sciences. He graduated in 1991 and later in 2000, while in office as a member of parliament.
He graduated in 1991 and later in 2000, while in office as a member of parliament. He received his PhD in the social sciences.
He graduated in 1991 and later in 2000, while in office as a member of parliament. He received his PhD in the social sciences.