[1940 to 1946] - McDONALD, James

[1947 to 1948] - WORSLEY, Rowland Leonard

[1948 to 1968] - D'ALTON, Thomas George de Largie

[1968 to 1969] - BENJAMIN, Phyllis Jean

[1969 to 1972] - FOOT, Geoffrey James

[1972 to 1982] - MILLER, Brian Kirkwall

[1982 to 1986] - LOWRIE, Kenneth Francis

[1986 to 1989] - FLETCHER, Anthony William

[1989 to 1992] - BATT, Charles Leo

[1992 to 1996] - McKAY, Peter Charles

[1996 to 1998] - FLETCHER, Anthony William

[1998 to 2006] - AIRD, Michael Anthony

[2006 to 2012] - PARKINSON, Douglas John

[2012 to 2014] - FARRELL, Craig Maxwell

[2014 to 2017] - GOODWIN, Vanessa

[2017 to date] - HISCUTT, Leonie