| Andrew Robert Gray | Director | 18 Jan 2013 | 7 Aug 2015 | British | 62 years |
| Christopher Smith | Director | 1 Nov 1996 | 26 May 1998 | British | 69 years |
| Christopher Smith | Secretary | 1 Nov 1996 | 30 Dec 2000 | British | - |
| Cley Charles Crouch | Director | 26 May 1998 | 9 Nov 1999 | British | 61 years |
| Cley Charles Crouch | Director | 24 Apr 2006 | 31 Aug 2012 | British | 61 years |
| David Hugh Smith | Director | 26 May 1998 | 1 Apr 2000 | British | 79 years |
| David Nigel Geoffrey Small | Director | 18 Jul 1992 | 1 Nov 1996 | British | 82 years |
| Geoffrey Smith | Director | 11 Dec 2000 | 24 Apr 2006 | British | 77 years |
| Huw Livsey Alderman | Director | 18 Jul 1992 | 1 Jan 1993 | British | 74 years |
| Huw Livsey Alderman | Secretary | 18 Jul 1992 | 1 Jan 1993 | British | - |
| Iain David Smith | Director | 1 Nov 1996 | 26 May 1998 | British | 73 years |
| Ian Antony Bullock | Director | 31 Aug 2001 | 29 Feb 2004 | British | 71 years |
| Janet Elizabeth Thomson | Director | 1 Jan 1993 | 1 Sept 1995 | British | 73 years |
| Janet Elizabeth Thomson | Secretary | 1 Jan 1993 | 1 Sept 1995 | British | - |
| Lynda Blackwell | Director | 9 Nov 1999 | 11 Dec 2000 | British | 65 years |
| Martin Anthony Plummer | Director | 1 Apr 2000 | 31 Aug 2001 | British | 80 years |
| Paul Edward De Rinzy Dennis | Director | 1 Oct 2004 | 20 Dec 2013 | British | 68 years |
| Paul Nicholas Randall | Director | 1 Nov 2014 | 31 Jul 2025 | British | 65 years |
| Richard Michael Gervase Thornely | Director | 26 May 1998 | 31 Oct 2014 | British | 68 years |
| Steven Philip Martin | Director | 1 Sept 1995 | 1 Nov 1996 | British | 67 years |
| Steven Philip Martin | Secretary | 1 Sept 1995 | 1 Nov 1996 | British | - |