Past Secretaries
| 2019-Current | Alfred Lam |
| Dec 2018 – 2 June 2019 | Esther Myint (Interim) |
| 2016-Dec 2018 | Fiona Maclean |
| 2012-2016 | Jane Dahlstrom |
| 2005-2012 | Stephen Fairy |
| 1996-2005 | Con Theocharous |
| 1987-1995 | Warick Delprado |
| 1984-1986 | Denis Moir |
| 1973-1983 | Peter Cropley |