| 2000 - heute | Christoph Gfeller |
| 1998 - 2000 | Judith Wenger |
| 1994 - 1998 | Micha Kunkler |
| 1993 | Christoph Gfeller |
| 1987 - 1993 | Markus Oetliker |
| 1978 - 1987 | Hans Lehmann |
| 1977 - 1978 | Hanspeter Keller |
| 1976 | Gottfried von Siebenthal |
| 1975 - 1976 | Rudolf Hänni |
| 1974 | vakant |
| 1973 | Beat Flückiger |
| 1972 - 1973 | Christoph Gurtner |
| 1962 - 1972 | Rudolf Hänni |
| 1961 - 1962 | Walter Chapuis |
| 1961 | Herbert Schiffmann |
| 1955 - 1961 | Benjamin Mosimann |
| 1951 - 1955 | Alfred Mosimann |
| 1950 - 1951 | Albert Bernasconi |
| 1944 - 1950 | André Cornaz |
| 1943 - 1944 | Hans Schüpbach |
| 1920 - 1943 | Benjamin Mosimann |
| 1920 | Arnold Löffel |
| 1918 - 1920 | Alfred Moser |
