| Clare Pickering | Director | 1 Mar 2018 | 30 Apr 2025 | British | 56 years |
| Craig John Williamson | Director | 2 Aug 2011 | 29 Sept 2014 | British | 57 years |
| Daphne Margaret Murray | Secretary | 20 Jan 2004 | 30 Jun 2018 | British | - |
| David Alec Hart | Director | 29 Sept 2014 | 31 Jul 2025 | British | 53 years |
| David Llewellyn | Director | 28 Jun 1996 | 24 Aug 1996 | British | 82 years |
| David Richard Swinson | Director | 5 Jan 1998 | 30 Jun 2000 | British | 84 years |
| David Sidney Neave | Director | 5 Jan 1998 | 20 Jan 2004 | British | 77 years |
| Derek William Jenkins | Director | 26 Apr 1992 | 30 May 1997 | British | 92 years |
| Emma Jayne Ashenden | Secretary | 25 Jan 2021 | 2 Feb 2023 | - | - |
| Frank James Standish | Secretary | 1 Mar 1999 | 30 Jun 2000 | British | - |
| Graham George Hepburn | Director | 28 Apr 2004 | 23 Sept 2005 | British | 73 years |
| Iain James Macdonald Haldane | Director | 20 Jan 2004 | 25 Oct 2006 | British | 67 years |
| Ian Russell Bolger | Director | 28 Apr 2004 | 10 Sept 2004 | British | 58 years |
| Jason Alexander Smalley | Director | 2 Aug 2012 | 22 Oct 2016 | British | 57 years |
| John Anthony Robinson | Director | 30 Jun 2000 | 1 Apr 2004 | British | 78 years |
| John Stanley Wilkinson | Director | 5 Jan 1998 | 30 Mar 2000 | British | 69 years |
| John Stuart Keighley | Director | 30 Mar 2000 | 20 Jan 2004 | British | 69 years |
| Larry Jose Zea Betancourt | Director | 5 Nov 2012 | 1 Oct 2019 | Venezuelan | 65 years |
| Michael David Hampson | Director | 30 May 1997 | 5 Jan 1998 | British | 68 years |
| Michael Leslie Collins | Director | 26 Feb 2004 | 28 Apr 2004 | British | 70 years |
| Michael Leslie Collins | Director | 17 Sept 2008 | 23 Mar 2015 | British | 70 years |
| Michael Leslie Collins | Secretary | 30 Jun 2000 | 20 Jan 2004 | British | - |
| Narinder Nath Kalia | Director | 2 Sept 1996 | 5 Jan 1998 | British | 86 years |
| Narinder Nath Kalia | Secretary | 26 Apr 1992 | 1 Mar 1999 | British | - |
| Paul Clarke | Director | 17 Sept 2008 | 6 Jul 2015 | British | 68 years |
| Paul Moore | Director | 10 Sept 2004 | 17 Sept 2008 | British | 59 years |
| Peter Hamilton Fulke Bullard | Director | 26 Apr 1992 | 28 Jun 1996 | British | 92 years |
| Philip John Hutchins | Director | 5 Jan 1998 | 9 Apr 2003 | British | 73 years |
| Rebecca Juliet Wright | Secretary | 30 Jun 2018 | 25 Jan 2021 | - | - |
| Richard Sheehan | Director | 25 Oct 2006 | 2 Aug 2011 | British | 69 years |
| Robert Ernest Lambourne | Director | 30 May 1997 | 5 Jan 1998 | British | 74 years |