1945 - 1946

Moritz Nitsch

1946 - 1963

Karl Maschek

1963 - 1975

Heinrich Weber

1975 - 1986

Wilhelm Lederer

1986 - 1987 interim.

Alfred Ehrenberger

1987 - 2000

Willibald Preselmaier

2000 - dato

Mag. Thomas Klvana