| Anthony Francis Lochery | Director | 3 Apr 2000 | 3 Aug 2001 | British | 66 years |
| Archibald Stephenson Currie | Director | 23 Oct 1991 | 2 Dec 1998 | British | 80 years |
| Charles Anthony Southworth | Director | 23 Oct 1991 | 23 Sept 1996 | British | 86 years |
| Graeme Bissett | Director | 2 Dec 1998 | 25 Apr 2001 | British | 68 years |
| Gwyndaf Morris Jones | Director | 23 Oct 1991 | 2 Dec 1998 | British | 82 years |
| Ian Ellis Fraser | Director | 22 Jun 2006 | 1 Jul 2011 | Uk | 69 years |
| John Dennis Stocks | Director | 23 Sept 1996 | 2 Dec 1998 | British | 92 years |
| John Mclellan Houston | Director | 2 Dec 1998 | 28 Mar 2000 | British | 82 years |
| Kazushi Ogura | Director | 15 Jul 2011 | 1 Mar 2014 | Japanese | 53 years |
| Kenji Murai | Director | 15 Jul 2011 | 1 Feb 2018 | Japanese | 60 years |
| Kenneth Andrew Mcgill | Director | 3 Aug 2001 | 24 Aug 2001 | British | 68 years |
| Kenneth Andrew Mcgill | Director | 22 Jul 2004 | 28 Mar 2006 | British | 68 years |
| Kenneth Andrew Mcgill | Secretary | 2 Dec 1998 | 22 Jul 2004 | British | - |
| Mark Amphlett | Director | 5 Dec 1994 | 2 Dec 1998 | British | 69 years |
| Mark Amphlett | Secretary | 23 Oct 1991 | 2 Dec 1998 | British | - |
| Mark Richard Slade | Director | 1 Mar 2014 | 1 Feb 2018 | British | 51 years |
| Mark Richard Slade | Director | 1 Feb 2018 | 1 Apr 2019 | British | 51 years |
| Michael Joseph Anthony Healy | Director | 28 Mar 2006 | 1 Jul 2011 | British | 66 years |
| Michael Joseph Anthony Healy | Secretary | 22 Jun 2006 | 1 Jul 2011 | British | - |
| Michael Reginald Moyle | Director | 23 Oct 1991 | 2 Dec 1998 | British | 82 years |
| Michael William Craddock | Director | 12 Feb 2003 | 26 Feb 2003 | British | 81 years |
| Scott Morrison | Secretary | 22 Jul 2004 | 22 Jun 2006 | British | - |
| Stanley Hart Owens | Director | 25 Apr 2001 | 25 Oct 2002 | American | 78 years |
| Thomas Farmer | Director | 1 Jan 1995 | 7 Feb 2000 | British | 86 years |
| Timothy Charles Parker | Director | 25 Nov 2002 | 23 Mar 2005 | British | 71 years |