| Alan Michael Waller | Director | 14 Mar 2007 | 27 Apr 2009 | British | 70 years |
| Alan Paul Busson | Secretary | 21 Mar 2006 | 29 Sept 2006 | British | - |
| Alan Trusler | Director | 4 Jan 1993 | 26 May 1995 | British | 79 years |
| Amanda Louise Knott | Secretary | 29 Sept 2006 | 25 Jul 2013 | British | - |
| Andrew David Strang | Director | 10 Feb 1994 | 2 Feb 2004 | British | 73 years |
| Ann Claire Blundell | Secretary | 25 Jul 2013 | 17 Mar 2014 | - | - |
| Anthony John Russell | Director | 13 Jun 1994 | 30 Apr 1998 | British | 84 years |
| Claire Rosamund Hallgate-hills | Secretary | 2 Apr 1992 | 2 Sept 1994 | British | - |
| Corina Katherine Ross | Secretary | 7 Mar 2011 | 25 Jul 2013 | British | - |
| David Andrew Lowe | Director | 14 Mar 2007 | 30 Nov 2017 | British | 60 years |
| David Charles Parsons | Director | 4 Jan 1993 | 28 Apr 1995 | British | 70 years |
| Georgina Kaye Fleet | Director | 28 Nov 2023 | 17 Jun 2025 | British | 51 years |
| Graham Stuart Julian Baker | Director | 7 Mar 2007 | 12 Mar 2018 | British | 55 years |
| Helen Frances Leigh Rogers | Secretary | 30 Jul 2008 | 2 Dec 2011 | British | - |
| Iain James Trevor Evans | Director | 12 Mar 2018 | 2 Aug 2019 | Welsh | 54 years |
| Ian Douglas Macrae | Director | 30 Apr 1998 | 16 May 2002 | British | 73 years |
| Ian Malcolm Macinnes | Director | 2 Apr 1992 | 10 Feb 1994 | British | 81 years |
| Ian Ritchie | Secretary | 25 Jul 2013 | 17 Mar 2014 | - | - |
| James Anthony Wiltshire | Secretary | 2 Dec 1994 | 31 May 1999 | British | - |
| Jayne Michelle Meacham | Secretary | 1 Nov 2006 | 2 May 2008 | British | - |
| Jeffrey John Bearcroft | Director | 2 Apr 1992 | 27 May 1994 | British | 71 years |
| Jeremy Alexander James Fraser Burnett Rae | Director | 13 Jun 1994 | 10 Jul 1997 | British | 73 years |
| John Marcus Willcock | Director | 9 Sept 2002 | 2 Feb 2004 | British | 63 years |
| Jonathan Plumtree | Director | 30 Sept 2015 | 28 Feb 2017 | British | 60 years |
| Lily Olisa Holding | Director | 28 Jul 2004 | 23 Jun 2005 | British | 63 years |
| Lily Olisa Holding | Secretary | 12 Aug 2003 | 23 Jun 2005 | British | - |
| Margaret Elizabeth Gibbon | Secretary | 31 May 1999 | 12 Aug 2003 | British | - |
| Michael Rawle | Director | 7 Mar 2007 | 31 Jan 2008 | British | 80 years |
| Neil James Evans | Director | 15 May 2002 | 7 Mar 2007 | British | 69 years |
| Nigel Lowe | Director | 23 Jun 2005 | 7 Mar 2007 | British | 74 years |
| Nigel Lowe | Secretary | 23 Jun 2005 | 21 Mar 2006 | British | - |
| Peter Charles Howe | Director | 2 Feb 2004 | 28 Jul 2004 | British | 80 years |
| Richard Jessop | Director | 2 Apr 1992 | 31 Dec 1992 | British | 85 years |
| Robert Walter Allen | Director | 13 Jun 1994 | 9 Sept 2002 | British | 73 years |
| Roger Hedley Whalley | Director | 2 Apr 1992 | 23 Mar 1994 | British | 82 years |
| Teresa Kathleen Halling | Secretary | 2 Sept 1994 | 2 Dec 1994 | British | - |
| Timothy Paul Culling | Director | 14 Mar 2007 | 30 Sept 2015 | British | 65 years |
| Tracey Denise Anderson | Director | 2 Aug 2019 | 1 Dec 2023 | British | 51 years |