Theological examination, Lutheran Church Rhineland, Germany, 1977.
Assistant professor, Kirchliche Hochschule, Wuppertal, Germany, 1977-1980; youth pastor, Synod of Barmen, Wuppertal, 1980-1989; chief executive director, Berlin City Mission, since 1989.
Member Association Germany City Missions (president since 1990), City Mission World Association (director since 1994), Ak ev. Unternehmer, Rotary, European Association of City Missions (president since 1998).
Married Claudia Berndt, October 15, 1957. Children: Maren, Judith, Mikko, Mathis, Lukas, Samuel.