Education
Wienen studied history and theology at Utrecht University.
Wienen studied history and theology at Utrecht University.
He is mayor of the municipality of Katwijk. In 1986 he became a councilor for the Christian Democratic Appeal ( Capital Development Authority) in the municipality of Ridderkerk. In 1993 he became also an alderman.
Within his responsibilities were space planning, housing, traffic and transport, and economic affairs
Wienen was also part-time vice-president of the city region Rotterdam. In 2001, Wienen became mayor of the municipality of Katwijk.
In 2006, Katwijk merged with Rijnsburg and Valkenburg and became known as the municipality of Katwijk.
Wienen is also member of the executive committee of the region Holland Rijnland, of which Katwijk is a part.