Past OOS Presidents
| President | Years |
|---|
| Rev. F.C.R. Jourdain | 1922-1926 |
| B.W. Tucker | 1927-1950 |
| W.B. Alexander | 1951-1953 |
| Dr Bruce Campbell | 1954-1956 |
| M.H. Rowntree | 1957-1960 |
| W.D. Campbell | 1961-1962 |
| Dr M. Radford | 1963 |
| M.H. Rowntree | 1964-1965 |
| G.E.S. Turner | 1966-1969 |
| John Buxton | 1970-1971 |
| Dr F.A.L. Clewes | 1972-1974 |
| J.W. Brucker | 1975-1977 |
| Sir Hugh Elliot | 1978-1981 |
| Roy Overall | 1982-1985 |
| Dr A. Gosler | 1986-1990 |
| S. Burch | 1991-1993 |
| Dr A. Gosler | 1994-2010 |
| Dr Sir Clive Elliot | 2011-2018 |