Zeitverlauf
1919 – 1923
E. Weber
1919 – 1923
1924 – 1945
Fritz Marty
1924 – 1945
1946 – 1953
Theodor Joos
1946 – 1953
1954 – 1955
Dr. Robert Wagner
1954 – 1955
1956 – 1961
Gottlieb Daetwyler
1956 – 1961
1961 – 1963
Fridolin Lippuner
1961 – 1963
1964 – 1966
Gaudenz Tscharner
1964 – 1966
1967 – 1975
Dr. Pierluigi Schaad
1967 – 1975
1976 – 1977
Mojmir Fiala
1976 – 1977
1978 – 1980
Roland Harth
1978 – 1980
1981 – 1986
Ernst Koch
1981 – 1986
1987 – 2002
Dr. Pierluigi Schaad
1987 – 2002
2003 – 2016
Peter A. Wyss
2003 – 2016
2017 – 2022
Fortunat Schmid
2017 – 2022
2023 –
Sandro Schelling
2023 –