He has since worked as an attorney (1965–1970), Chief of Staff to Prime Minister Ruud Lubbers in 1983, and Secretary General at the Ministry of General Affairs (1986–1994).
Since then, he has had various positions including working as an attorney from 1965 to 1970, serving as Chief of Staff for Prime Minister Ruud Lubbers in 1983, and holding a leadership role at the Ministry of General Affairs from 1986 to 1994.