| Adam Philip Moss | Director | 31 May 2019 | 1 Oct 2025 | British | 50 years |
| Alan Charles Fuller | Director | 6 Dec 1995 | 1 Jul 1996 | British | 68 years |
| Alan Charles Fuller | Director | 1 Jun 1999 | 27 Feb 2002 | British | 68 years |
| Alan Charles Fuller | Secretary | 6 Dec 1995 | 1 Jul 1996 | British | - |
| Alan Charles Fuller | Secretary | 1 Jun 1999 | 27 Feb 2002 | British | - |
| Alan Leonard Whitnall | Secretary | 11 Jul 1997 | 1 Aug 1997 | British | - |
| Alan Leonard Whitnall | Secretary | 27 Feb 2002 | 29 May 2009 | British | - |
| Alistair Douglas Smith | Director | 30 Dec 2012 | 21 Sept 2017 | British | 69 years |
| Anthony Geoffrey Cox | Director | 9 Sept 1996 | 27 Oct 1997 | British | 73 years |
| Arnold Mark Threapleton | Director | 18 Apr 2017 | 30 Jun 2020 | British | 72 years |
| Barry Alfred Warner | Director | 1 Nov 1997 | 7 Jan 1999 | British | 80 years |
| Brian James Coburn | Director | 30 Dec 2012 | 23 Feb 2018 | British | 56 years |
| Brian John Cox | Director | 1 Aug 2000 | 3 Jul 2002 | British | 79 years |
| Carla Lucy Stockton-jones | Director | 1 Jul 2020 | 3 Jul 2023 | British | 54 years |
| Colin Brown | Director | 30 Dec 2004 | 31 May 2019 | British | 58 years |
| Guy Alan Houston | Director | 1 Aug 1997 | 31 May 1999 | British | 55 years |
| Guy Alan Houston | Secretary | 1 Aug 1997 | 31 May 1999 | British | - |
| John Bell Steel | Director | 30 Jul 1997 | 31 Oct 1997 | British | 83 years |
| Karen Rosaleen Robbins | Director | 1 Dec 2000 | 19 Apr 2002 | British | 57 years |
| Keith Robertson Cochrane | Director | 6 Dec 1995 | 1 Aug 2000 | British | 61 years |
| Lesley Ashman | Director | 11 Sept 2018 | 31 Jul 2020 | British | 65 years |
| Leslie Brian Warneford | Director | 1 May 2000 | 26 Apr 2013 | British | 78 years |
| Malcolm Howitt | Director | 27 Oct 1997 | 27 Oct 1997 | British | 79 years |
| Mark Stuart Edwin Haberfield | Director | 22 Dec 2003 | 30 Apr 2019 | British | 63 years |
| Martin Andrew Griffiths | Director | 1 Aug 2000 | 30 Dec 2004 | British | 60 years |
| Michael Bruce Clayton | Director | 1 Jul 1996 | 11 Jul 1997 | British | 70 years |
| Michael Bruce Clayton | Secretary | 1 Jul 1996 | 11 Jul 1997 | British | - |
| Michael John Vaux | Director | 31 Mar 2009 | 28 Apr 2017 | British | 55 years |
| Michael John Vaux | Secretary | 29 May 2009 | 30 Jul 2024 | British | - |
| Paul Anthony Merryweather | Director | 3 Jul 1991 | 6 Dec 1995 | British | 81 years |
| Philip Brookes Eden | Director | 1 Apr 1999 | 8 Sept 2000 | British | 70 years |
| Raymond O'toole | Director | 9 Aug 2023 | 30 May 2024 | British | 71 years |
| Richard George Smith | Director | 3 Jul 1991 | 6 Dec 1995 | British | 72 years |
| Richard George Smith | Secretary | 3 Jul 1991 | 6 Dec 1995 | British | - |
| Robert Gervase Andrew | Director | 31 Mar 2009 | 31 May 2019 | British | 63 years |
| Robert Montgomery | Director | 31 Mar 2009 | 22 Mar 2017 | British | 74 years |
| Ross John Paterson | Director | 19 Jun 2006 | 8 Jan 2021 | British | 55 years |
| William Barry Hinkley | Director | 6 Dec 1995 | 25 Jul 2000 | British | 77 years |