1966 – 1972 Gerhard Siegle
1972 – 1981 Walter Dorn
1981 – 1982 Egbert Schlarb
1982 – 1991 Günter Hartmann
1988 – 1996 Rosemarie Wenner
1991 – 2000 Marlis Machnik-Schlarb
1996 – 2006 Ute Armbruster-Stephan und Markus Weber
2006 – 2009 Ute Armbruster-Stephan
2009 – dato Mihal Hrcan