| Andrew Michael Smith | Director | 12 Apr 2006 | 30 Sept 2011 | British | 63 years |
| Andrew Simon Wood | Director | 30 Nov 1998 | 29 Dec 2000 | British | 64 years |
| Barrington Michael John Norris | Director | 26 Apr 1992 | 29 Dec 2000 | British | 81 years |
| Charles Bennett Brown | Secretary | 1 Mar 1999 | 26 May 2000 | British | - |
| Clare Pickering | Director | 1 Mar 2018 | 30 Apr 2025 | British | 56 years |
| Daphne Margaret Murray | Secretary | 1 Apr 2004 | 30 Jun 2018 | British | - |
| Deborah Jill Keen | Director | 5 May 1998 | 29 Dec 2000 | British | 69 years |
| Dennis John Frederick Smithers | Director | 1 Jan 1999 | 29 Dec 2000 | British | 76 years |
| Derek William Jenkins | Director | 26 Apr 1992 | 30 May 1997 | British | 92 years |
| Edward Kenneth Loader | Director | 1 Jan 1997 | 12 Apr 2000 | British | 86 years |
| Emma Jayne Ashenden | Secretary | 25 Jan 2021 | 2 Feb 2023 | - | - |
| Frank James Standish | Secretary | 26 May 2000 | 6 Jul 2000 | British | - |
| Hugh Brown Lapham | Director | 1 Jan 1994 | 30 Jun 2000 | British | 86 years |
| Ian Carlyle Lafferty | Director | 1 Jan 1996 | 29 Dec 2000 | British | 78 years |
| Jason Alexander Smalley | Director | 30 Sept 2011 | 22 Oct 2016 | British | 57 years |
| John Anthony Robinson | Director | 29 Dec 2000 | 1 Apr 2004 | British | 78 years |
| John Brian Cooper | Director | 30 Jan 1995 | 31 Dec 1995 | British | 94 years |
| Keith Allan | Director | 1 May 2000 | 29 Dec 2000 | British | 75 years |
| Larry Jose Zea Betancourt | Director | 5 Nov 2012 | 1 Oct 2019 | Venezuelan | 65 years |
| Michael Anthony Robertshaw | Director | 26 Apr 1992 | 29 Dec 2000 | British | 80 years |
| Michael Leslie Collins | Director | 29 Dec 2000 | 23 Mar 2015 | British | 70 years |
| Michael Leslie Collins | Secretary | 6 Jul 2000 | 1 Apr 2004 | British | - |
| Narinder Nath Kalia | Secretary | 26 Apr 1992 | 1 Mar 1999 | British | - |
| Neil Macrobert Montgomery | Director | 26 Apr 1992 | 7 Apr 2000 | British | 73 years |
| Peter Bradley Bastin | Director | 26 Apr 1992 | 4 Dec 1998 | British | 88 years |
| Peter Henry Gillard | Director | 12 Jun 2007 | 22 May 2009 | British | 74 years |
| Peter Lance Young | Director | 26 Apr 1992 | 30 Jun 2000 | British | 88 years |
| Precel James Owen | Director | 26 Apr 1992 | 31 Dec 1995 | British | 96 years |
| Rebecca Juliet Wright | Secretary | 30 Jun 2018 | 25 Jan 2021 | - | - |
| Robert Clive Harris | Director | 26 Apr 1992 | 29 Dec 2000 | British | 79 years |
| Robert Ernest Lambourne | Director | 30 May 1997 | 29 Dec 2000 | British | 74 years |
| Samuel Russell Booth | Director | 1 Jan 1997 | 31 Dec 1999 | British | 89 years |
| Stephen Bottle | Director | 29 Dec 2000 | 12 Apr 2006 | British | 69 years |
| Stuart Richmond Walker | Director | 26 Jul 2000 | 29 Dec 2000 | British | 82 years |
| Trace Lee Norton | Director | 1 Apr 1998 | 30 Sept 1998 | British | 63 years |