| Alan Charles Parker | Director | 22 Feb 2000 | 13 Sept 2004 | British | 80 years |
| Alexandra Clare Thomas Hathaway | Director | 10 Jan 2025 | 4 Aug 2025 | British | 52 years |
| Christopher Charles Bevan Rogers | Director | 10 Jan 2007 | 20 Jul 2012 | British | 66 years |
| Christopher James Storey | Director | 5 Feb 1991 | 22 Feb 2000 | British | 82 years |
| Christopher James Storey | Secretary | 5 Feb 1991 | 22 Feb 2000 | British | - |
| Christopher John Denley | Director | 20 Jul 2012 | 1 Feb 2017 | British | 69 years |
| Elizabeth Anne Thorpe | Secretary | 26 May 2000 | 30 Jan 2004 | British | - |
| Graham Windle | Director | 22 Feb 2000 | 31 Oct 2006 | British | 74 years |
| Kenneth Nigel Spencer | Director | 5 Feb 1991 | 14 Jul 1997 | English | 84 years |
| Maria Rita Buxton Smith | Secretary | 26 May 2000 | 25 Sept 2002 | British | - |
| Mark Ian Hodgson | Secretary | 22 Feb 2000 | 26 May 2000 | British | - |
| Matthew Yates | Director | 12 Oct 2018 | 10 Jan 2025 | British | 49 years |
| Neal Trevor Gossage | Director | 18 Sept 1996 | 2 Feb 1999 | British | 71 years |
| Patrick Joseph Anthony Dempsey | Director | 13 Sept 2004 | 10 Jan 2007 | British | 67 years |
| Robert William Parker | Director | 22 Feb 2000 | 31 Dec 2001 | British | 75 years |
| Russell William Fairhurst | Director | 23 Nov 2016 | 12 Oct 2018 | British | 63 years |
| Russell William Fairhurst | Secretary | 30 Jan 2004 | 12 Oct 2018 | British | - |
| Simon Charles Barratt | Director | 31 Oct 2006 | 17 Nov 2015 | British | 67 years |
| Steven Peter Lambert | Director | 1 Feb 2002 | 5 May 2005 | British | 62 years |
| Timothy Graham Walker | Director | 5 Feb 1991 | 1 May 1996 | British | 70 years |
| William Peter Catesby | Director | 14 Jul 1997 | 22 Feb 2000 | British | 86 years |
