| 2018 |
- |
|
vakant |
|
| 2016 |
- |
2018 |
Wullschleger René |
|
| 2010 |
- |
2016 |
Weber Rolf |
|
| 2005 |
- |
2009 |
vakant |
|
| 2004 |
- |
|
Steiner Ernst |
|
| 1999 |
- |
2004 |
Ryter Hansjörg |
|
| 1998 |
- |
1999 |
vakant |
|
| 1990 |
- |
1998 |
Schenker Kurt |
|
| 1988 |
- |
1990 |
Plüss Heinz |
|
| 1987 |
- |
1988 |
Schläpfer Max |
|
| 1984 |
- |
1987 |
Meyer Kurt |
|
| 1982 |
- |
1984 |
Bucher Heinz |
ab 15.1.1982 |
| 1981 |
|
|
Marian Silvano |
Juli bis Oktober 81 |
| 1980 |
- |
1981 |
vakant |
|
| 1975 |
- |
1980 |
Meyer Walter |
|
| 1974 |
- |
1975 |
Rickli Hanspeter |
|
| 1970 |
- |
1974 |
Hofer Otto † |
|
| 1968 |
- |
1970 |
Wirthlin Fritz † |
|
| 1967 |
- |
1968 |
Meyer Walter |
|
| 1956 |
- |
1967 |
Hofer Otto † |
|
| 1953 |
- |
1956 |
Andres René |
|
| 1948 |
- |
1953 |
Biland Peter † |
|
| 1946 |
- |
1948 |
Wartmann Otto † |
|
| 1938 |
- |
1946 |
Hofer Otto † |
|
| 1933 |
- |
1938 |
Ernst Fritz † |
|
| 1932 |
- |
1933 |
Born Hans † |
|
| 1930 |
- |
1932 |
Berner Werner † |
|
| 1928 |
- |
1930 |
Bahon Pierre † |
