| Aimie Nicole Chapple | Director | 18 Nov 2019 | 17 Oct 2022 | British | 57 years |
| Anselm Gaetano Bassano | Director | 2 Sept 1996 | 24 Mar 2004 | British | 79 years |
| Francesca Anne Todd | Director | 25 Jul 2016 | 10 Dec 2021 | British | 55 years |
| Geoffrey Philip Ognall | Director | 4 Apr 1992 | 6 Apr 2006 | British | 80 years |
| Gregory Edward Harmer | Director | 16 Oct 2006 | 28 Feb 2013 | Us Citizen | 71 years |
| John Norman Ricketts | Director | 15 Jul 2004 | 24 Mar 2015 | British | 65 years |
| John Paul Mackin | Director | 1 Jun 2004 | 31 Oct 2006 | English | 69 years |
| Kenneth Monnett | Secretary | 24 Nov 1998 | 20 Apr 2001 | British | - |
| Linda Palmer | Director | 28 May 2021 | 23 Jun 2023 | British | 51 years |
| Mark Billingham | Director | 17 Oct 2022 | 31 Mar 2023 | British | 47 years |
| Mark Jules Levy | Director | 16 Oct 2006 | 30 Jun 2007 | South African Citizen | 59 years |
| Mark Monash Goldberg | Director | 4 Apr 1992 | 24 Nov 1998 | British | 88 years |
| Martin Mccloskey | Director | 25 Jul 2016 | 30 Jun 2017 | British | 74 years |
| Michael David Barnard | Director | 28 Feb 2013 | 25 Jul 2016 | British | 53 years |
| Nicholas Petrini | Director | 24 Nov 1998 | 5 Feb 2004 | Us Citizen | 68 years |
| Norman Brian Englender | Director | 1 Oct 1992 | 24 Nov 1998 | British | 91 years |
| Norman Le Jean Merritt Jr | Director | 8 Oct 2004 | 13 Oct 2006 | Us Citizen | 66 years |
| Paul Michael Anslow | Director | 4 Apr 1992 | 30 Jan 2009 | British | 73 years |
| Paul Michael Nugent | Director | 5 Feb 2004 | 8 Oct 2004 | American | 73 years |
| Raymond Page | Director | 4 Apr 1992 | 28 May 1992 | British | 88 years |
| Richard Guy Thomas Stenhouse | Director | 4 Apr 1992 | 24 Nov 1998 | British | 65 years |
| Richard Schultz | Director | 24 Nov 1998 | 4 Sept 2001 | Us Citizen | 76 years |
| Robert David Tolfts | Director | 30 Jun 2017 | 28 May 2021 | British | 64 years |
| Robert Mossman Scott | Director | 4 Apr 1992 | 31 Mar 1997 | British | 83 years |
| Simon John Davies | Director | 28 Feb 2013 | 28 Jan 2015 | British | 58 years |
| Stephen Eisenstein | Director | 1 Apr 2003 | 30 Jun 2004 | Usa | 64 years |
| Stephen John Tudge | Director | 14 May 1999 | 22 Jul 2004 | British | 61 years |
| Thomas Christopher Richards | Director | 28 Jan 2015 | 25 Jul 2016 | British | 49 years |
| William James Wilson | Secretary | 4 Apr 1992 | 17 Mar 2009 | British | - |
| William Kane | Director | 24 Nov 1998 | 28 Feb 2003 | Usa | 70 years |