| Christopher David Vaughan | Director | 19 Dec 2018 | 11 Aug 2022 | British | 62 years |
| Christopher James Wilkins | Director | 30 Apr 1992 | 26 Apr 2004 | British | 80 years |
| Elizabeth Anne Thorpe | Secretary | 25 Sept 2002 | 30 Jan 2004 | British | - |
| Maria Rita Buxton Smith | Secretary | 13 Feb 1998 | 25 Sept 2002 | British | - |
| Michael David Hampson | Director | 30 Apr 1992 | 28 Feb 1997 | British | 68 years |
| Nicola Jane Fenton | Secretary | 30 Apr 1992 | 13 Feb 1998 | British | - |
| Russell William Fairhurst | Director | 22 Jan 2003 | 19 Dec 2018 | British | 63 years |
| Simon Charles Barratt | Director | 30 Apr 1992 | 25 Nov 2015 | British | 67 years |
| Stuart William Weeks | Secretary | 2 Feb 2003 | 8 Sept 2005 | British | - |