| Allan John Clark | Director | 30 Jun 1993 | 30 Sept 1994 | British | 72 years |
| Andrew David Fairhurst | Secretary | 30 May 1992 | 23 Aug 1993 | British | - |
| Basil Austin Body | Director | 30 May 1992 | 31 Dec 1992 | British | 96 years |
| Carol Ann Dockrell | Secretary | 12 May 1997 | 12 Jan 1998 | British | - |
| Christopher Roger David Hollingdale | Director | 24 Jul 2019 | 2 Oct 2023 | British | 42 years |
| Colin Charles Harris | Director | 30 May 1992 | 31 Dec 1992 | British | 82 years |
| David George Froude | Director | 30 May 1992 | 30 Jun 1993 | British | 83 years |
| David Maltby | Director | 29 Apr 1994 | 31 Dec 2000 | British | 81 years |
| Geoffrey Michael Wright | Director | 22 Jul 1992 | 31 Dec 1992 | British | 62 years |
| Jane Elizabeth Dale | Director | 30 May 1992 | 30 Sept 1992 | British | 66 years |
| Jeffrey William Wilson | Director | 22 Jul 1992 | 31 Dec 1992 | British | 69 years |
| Julie Patricia Seabrook | Secretary | 18 Dec 1998 | 1 Oct 2002 | British | - |
| Kevin William Webb | Director | 31 Dec 2017 | 24 Aug 2022 | British | 61 years |
| Lawrence Kevin Penney | Director | 30 May 1992 | 31 Dec 1992 | British | 77 years |
| Lee Beadman | Director | 16 Jan 1995 | 12 Mar 1999 | British | 65 years |
| Leslie Alan Beech | Director | 30 May 1992 | 31 Dec 1992 | British | 78 years |
| Michael Ian Stoop | Director | 15 Feb 1999 | 31 Oct 2014 | British | 71 years |
| Nicolas John Thatcher | Director | 22 Jul 1992 | 29 Apr 1994 | British | 80 years |
| Paul Douglas Stewart | Director | 13 Sept 1996 | 30 Apr 1997 | British | 66 years |
| Richard Alan Beer | Director | 15 Feb 1999 | 7 Aug 2000 | British | 59 years |
| Robert James Mason | Director | 22 Jul 1992 | 31 Dec 1992 | British | 83 years |
| Sally Jane Williams | Secretary | 12 Jan 1998 | 18 Dec 1998 | British | - |
| Simon Richard Griffiths | Director | 2 Oct 2023 | 22 Jul 2025 | British | 57 years |
| Stephen Charles Addison Smith | Director | 31 Oct 2014 | 31 Dec 2017 | British | 69 years |
| Thomas Andrew Forwood Smith | Secretary | 23 Aug 1993 | 18 Apr 1997 | British | - |
| Vanessa White | Director | 7 Aug 2000 | 25 Sept 2019 | British | 61 years |