Mr. Rolf Blaser
2014 to 2015
Mr. Selman Kabay

2009 to 2013
Mrs. Arlette Palmer

2000 to 2008
Mr. Thomas Daetwyler

1997 to 1999
Mrs. Katharina Twerenbold

1987 to 1996
Mr. Max Brechbühl
1985 to 1986
Mr. Walter Widmer
1979 to 1984
Mr. Guido Baumann

1977 to 1978
Mr. P. Wyss
1972 to 1976
Mr. E. Chanson
1971
Mr. M. Pannetti
1964 to 1970
Mr. E. Chanson
1963
Mr. T. W. Hoffmann

1962
Mr. H. Pfanner
1961
Mr. H. Sigg
1959 to 1960
Mr. H. Eichenberger

1958
Mr. W.J. Mumenthaler
1955 to 1957
Mr. T. W. Hoffmann

1953 to 1954
Mr. H. Eichenberger

1951 to 1952
Mr. C.R. Flückiger

1950
Mr. W. Marquart
1949
Mr. C.H. Tuetsch

1947 to 1948
Mr. A.O. Haller

1945 to 1946
Mr. C.R. Flückiger

1943 to 1944
Mr. F. E. Schmid
1942
Mr. A. M. Thalmann
1941
Mr. F. E. Schmid
1937 to 1940
Mr. A. Leiber

1933 to 1936
Mr. E.V. Cogliatti