| Andrew Mark Naylor Wainwright | Director | 3 Mar 1997 | 4 Aug 1998 | British | 69 years |
| Barry Royston Clapham | Director | 9 Aug 1995 | 30 Jun 1997 | British | 81 years |
| Clive William Price Mckenzie | Secretary | 1 Jun 1994 | 8 Aug 1995 | British | - |
| Colin Neil Chandler | Director | 30 Sept 2002 | 14 Jul 2003 | British | 71 years |
| Colin Neil Chandler | Secretary | 30 Sept 2002 | 17 Feb 2006 | British | - |
| David Jenkinson | Director | 1 May 2016 | 20 Sept 2020 | British | 59 years |
| David Martin Storey | Director | 3 Jul 2002 | 6 Apr 2007 | British | 72 years |
| Gerald Neil Francis | Director | 17 Jan 2006 | 30 Sept 2016 | British | 70 years |
| Harold Lewis Edric Tasker | Secretary | 30 May 1991 | 1 Jun 1994 | British | - |
| Jane Melanie Miller | Director | 25 Feb 2002 | 30 Jun 2002 | British | 68 years |
| Jeffrey Fairburn | Director | 1 Jan 2010 | 31 Dec 2018 | British | 60 years |
| John Henry Bennett | Director | 14 Jul 2003 | 31 Mar 2006 | British | 79 years |
| John White | Director | 17 Jan 2006 | 31 Dec 2009 | British | 75 years |
| Kenneth Alan White | Director | 30 May 1991 | 8 Aug 1995 | British | 90 years |
| Michael Hugh Killoran | Director | 17 Jan 2006 | 14 Jan 2022 | British | 65 years |
| Michael Peter Farley | Director | 17 Jan 2006 | 18 Apr 2013 | British | 73 years |
| Nicholas William Salisbury | Director | 8 Aug 1995 | 28 Jul 2003 | British | 70 years |
| Nigel Peter Greenaway | Director | 18 Apr 2013 | 30 Apr 2016 | British | 66 years |
| Richard Paul Stenhouse | Director | 30 Sept 2016 | 30 Sept 2021 | British | 55 years |
| Richard William Norris Payne | Director | 1 Aug 2001 | 5 Aug 2003 | British | 71 years |
| Robert Templeman | Director | 30 May 1991 | 25 Feb 2002 | British | 78 years |
| Robert Templeman | Secretary | 8 Aug 1995 | 25 Feb 2002 | British | - |
| Simon David Mantell | Director | 4 Aug 1998 | 30 Sept 2002 | British | 57 years |
| Simon David Mantell | Secretary | 25 Feb 2002 | 30 Sept 2002 | British | - |
| Terence William Tindall | Director | 9 Aug 1995 | 26 Jul 2001 | British | 77 years |