1964 - C.E. Weatherburn
1966 - E.J.G. Pitman
1966 - S.R. Carver
1969 - M.H. Belz
1972 - H.O. Lancaster
1978 - P.A.P. Moran
1981 - K.R.W. Brewer
1981 - C.C. Heyde
1981 - D.B. Knudsen
1981 - E.J. Williams
1983 - J.B Douglas
1983 - J.M. Gani
1986 - C.A. McGilchrist
1989 - D.J. Daley
1994 - D.E. Shaw
1994 - J.S. Maritz
1998 - N.I. Fisher
1998 - R.L. Sandland
1998 - R.L. Tweedie
1999 - R.G. Jarrett
1999 - D.J. Trewin
2000 - D.F. Nicholls
2001 - N.C. Weber
2002 - I.R. James
2004 - H. MacGillivray
2010 - K. Basford
2016 - W. Dunsmuir
2020- A. Harcourt
2020- A. Dobson