| 1930 - 1931 | H. Hagen |
| 1931 - 1938 | Gebh. Hämmerle |
| 1938 - 1942 | Hermann Luther |
| 1942 - 1945 | Anton Pini |
| 1945 - 1948 | J. Oesch |
| 1948 - 1952 | Anton Hämmerle |
| 1952 - 1964 | Rudolf Hagen |
| 1964 - 1975 | Othmar Lüchinger |
| 1975 - 1977 | Géry Hutter |
| 1977 - 1985 | Jürg Müntener |
| 1985 - 1993 | Werner Schröpel |
| 1993 - 1994 | Peter Kempter |
| 1994 - 1998 | Leo Bäder |
| 1998 - 2003 | Gerhard von Gunten |
| 2004 - 2007 | Rolf Müller |
| 2007 - 2013 | Timo Haarmann |
| 2013 - 2014 | Arthur Küng |
| 2014 - 2020 | Erik Manyak |
| 2020 - | Michael Schläpfer |
