| Year | President | General Secretary (1968 on) | Treasurer |
|---|---|---|---|
| 1989 | M.A.H. Marsden | M.J. Hickey / B.K. Grossman | B.F. Angel |
| 1988 | S.D. Woodward / L.M. Sist | M.J. Hickey | B.F. Angel |
| 1987 | S.D. Woodward | M.J. Hickey | M.A. Wilson |
| 1986 | P.D. Brukner | V.J. Allpress | G.D Luscombe |
| 1985 | S.A. Costello | A.M. Donald | S.G. Longley |
| 1984 | A.M. Smith | V.J. Allpress | G.D Luscombe |
| 1983 | A.M. Smith | V.J. Allpress | T.G. Orton |
| 1982 | P.H. Selleck | V.J. Allpress | T.G. Orton |
| 1981 | P.H. Selleck | V.J. Allpress | G.N. Ellison |
| 1980 | T.A. Johnson | V.J. Allpress | J.F. Hamilton |
| 1979 | T.A. Johnson | V.J. Allpress | T.M. Greaney |
| 1978 | T.A. Johnson | P.H. Selleck | T.M. Greaney |
| 1977 | T.A. Johnson | P.H. Selleck | T.M. Greaney |
| 1976 | T.A. Johnson | P.H. Selleck | T.M. Greaney |
| 1975 | A.J. Costello | P.H. Selleck | A.D. Fisher |
| 1974 | F. Baines / A.J. Costello | H.B. Sharpe | P.H. Selleck |
| 1973 | F. Baines | G.A.R. Johnson | P.H. Selleck |
| 1972 | I.H. Munro | F. Baines | J.L. Batten |
| 1971 | J.D. Clancy | F. Baines | R.J. Leaper |
| 1970 | M.A.H. Marsden | F. Baines | K.H. Otway / I.H. Munro |
| 1969 | M.A.H. Marsden | F. Baines | N.G. Ross |
| 1968 | M.A.H. Marsden | F. Baines | G.G. Rose |
| 1967 | M.A.H. Marsden | P.J. Fleming | G.G. Rose |
| 1966 | M.A.H. Marsden | R.L. Webb | G.G. Rose |
| 1965 | M.A.H. Marsden | A.L. Walker | B.A.E. Saunders / I.H. Munro |
| 1964 | J.D. Clancy / I.H. Munro | A.L. Walker | R.D.M. Smith |
| 1963 | R.W.T Cowan | A.L. Walker | R.D.M. Smith |
| 1962 | R.W.T Cowan | A.L. Walker | B.G. Lay |
| 1961 | R.W.T Cowan | B.M. Currie | L.R. Heron |
| 1960 | R.W.T Cowan | B.M. Currie / A.S. Devenish | B.H. Pascoe |
Frank Baines was the first General Secretary in 1968.
Val Allpress was the first female General Secretary from 1979-1986.
Peter Selleck was possibly the youngest ever officeholder becoming Treasurer in 1973 at age 18.