| Year | Presidents | |
| 1891 – 1909 | Professor W.C. Kernot | |
| 1910 – 1913 | F.A. Campbell | |
| 1914 – 1918 | S.N. Rodda | |
| 1919 – 1921 | B.F. Crosby | |
| 1922 – 1924 | C.R. Du Rieu | |
| 1925 | G.H. Dehn | |
| 1926 | W. Belcher | |
| 1927 – 1928 | A.E. Stevens | |
| 1929 | H. Beggs | |
| 1930 – 1931 | F.L. Barkla | |
| 1932 – 1933 | G.J. Dehn | |
| 1934 – 1935 | F. Dale | |
| 1936 – 1937 | F.L. Barkla | |
| 1938 – 1939 | W. Broadhead | |
| 1940 – 1941 | H.R. Francis | |
| 1942 – 1944 | W. Broadhead | |
| 1945 – 1946 | Dr. V.J. Mankey | |
| 1947 | J.C. Miller | |
| 1948 – 1955 | W. Broadhead | |
| 1956 | N. Crouch | |
| 1957 | A.G. Gray | |
| 1958 | E.R. Rotherham | |
| 1959 | L.P. Mullumby | |
| 1960 | H. Cleveland | |
| 1961 | R.A. Harvey | |
| 1962 | J. Pollard | |
| 1963 | L.W. Hawke | |
| 1964 | N.H. Hobson | |
| 1965 | Dr. Dorothy Newton | |
| 1966 | N.H. Hobson | |
| 1967 – 1968 | Peter J. Hunter | |
| 1969 | Alan F. Elliott | |
| 1970 | David Ellis | |
| 1971 | Kevin T. Cummins | |
| 1972 | N.H. Hobson | |
| 1973 | F. Jarman | |
| 1974 | Grace Lock | |
| 1975 – 1976 | Ian H. Bock | |
| 1977 – 1978 | John W. Spring | |
| 1979 – 1980 | Fred Curtis | |
| 1981 | Ian H. Bock | |
| 1982 – 1983 | G. Tribbick | |
| 1984 | John W. Spring | |
| 1985 | Barrie A. Bunning | |
| 1986 | B. Anderson | |
| 1987 – 1988 | P. Low | |
| 1989 – 1990 | Dr. Phil Marley | |
| 1991 | Ian H. Bock | |
| 1992 – 1993 | Nola Sharp | |
| 1994 – 1995 | Dr. Edgar J. Gatt | |
| 1996 | G. Muscutt | |
| 1997 | W. Page & Robert Groom | |
| 1998 | Robert Groom | |
| 1999 – 2000 | Patrick Horton | |
| 2001 | Rob Plenter | |
| 2002 | Branco Turk | |
| 2003 – 2004 | Ian H. Bock | |
| 2005 | Jim Weatherill | |
| 2006 | Dr. Phil Marley | |
| 2007 – 2008 | Ross Penny | |
| 2009 | Andrew Gyopar | |
| 2010 | Adrian Roy & Joanne Beilby | |
| 2011 | Joanne Beilby | |
| 2012 | Joanne Beilby & Peter Walton | |
| 2013 | Peter Walton | |
| 2014 | Peter Walton & Barrie A. Bunning | |
| 2015 – 2016 | Dr. Lesley Bretherton | |
| 2017 – 2018 | Gary Richardson | |
| 2019 | Peter Tredrea | |
| 2020 – 2024 | Mark Devaraj | |