| Alan James Sewell | Director | 10 May 1999 | 9 Apr 2010 | British | 77 years |
| Amarjit Kang | Director | 5 Apr 2017 | 28 Aug 2017 | British | 58 years |
| Andrew John Whitley | Director | 26 Sept 1994 | 29 Sept 1994 | British | 63 years |
| Anthony Depledge | Director | 22 Apr 2002 | 31 May 2013 | British | 78 years |
| Antony Peter Ward | Director | 7 Apr 2010 | 21 Nov 2013 | British | 63 years |
| Clive Hodson | Director | 18 May 1992 | 29 Sept 1994 | British | 84 years |
| David Graham Johnstone | Director | 6 Oct 2004 | 29 Apr 2005 | British | 63 years |
| David Paul Turner | Director | 6 Oct 2004 | 29 Apr 2005 | British | 76 years |
| David Paul Turner | Secretary | 29 Sept 1994 | 18 Jan 2005 | British | - |
| Derek Stephen Watson | Director | 26 Sept 1994 | 29 Sept 1994 | British | 77 years |
| Duncan Hunter | Director | 24 Aug 2020 | 31 Dec 2021 | British | 53 years |
| Edward Arthur Tweedy Milburn | Director | 18 May 1992 | 31 Aug 2001 | British | 85 years |
| Edward Vine Bennett | Director | 1 May 1993 | 29 Sept 1994 | British | 96 years |
| Elizabeth Anne Davies | Secretary | 18 Jan 2005 | 16 Dec 2013 | British | - |
| Emily Kate Minns | Director | 5 Nov 2018 | 30 Oct 2020 | Australian | 43 years |
| Gordon William Hodgson | Director | 3 Oct 1994 | 31 Dec 1998 | British | 95 years |
| Graham Christopher Davies | Director | 1 Feb 2022 | 16 Jan 2024 | British | 44 years |
| Harmeet Singh Notay | Director | 2 Jan 2018 | 21 Aug 2020 | British | 39 years |
| Ian Anthony Warr | Director | 21 Nov 2013 | 31 Oct 2016 | British | 55 years |
| Ian Richard Tarran | Director | 9 Aug 2001 | 29 Jun 2018 | British | 69 years |
| Jeffrey Edward Quantrell | Director | 29 Apr 2002 | 30 Apr 2015 | British | 74 years |
| John Alfred Ray | Director | 15 Sept 1998 | 1 May 2002 | British | 75 years |
| John Denis Pycroft | Director | 17 Apr 1996 | 31 Jan 2002 | British | 78 years |
| John Ernest Ingleton | Director | 18 May 1992 | 26 Mar 1993 | British | 93 years |
| Lorna Edwards | Secretary | 16 Dec 2013 | 12 Jun 2020 | - | - |
| Mark David James Yexley | Director | 18 May 1992 | 3 Jul 2015 | British | 69 years |
| Paul Stephen Adcock | Director | 18 Jan 2016 | 7 Jul 2017 | British | 55 years |
| Peter John Batty | Director | 7 Apr 2002 | 31 Dec 2021 | British | 65 years |
| Pierre Andrew Jonathan Stephen Ayers | Director | 21 Feb 2017 | 5 Nov 2018 | British | 56 years |
| Ravinder Singh Saund | Director | 19 Dec 2012 | 1 Feb 2014 | British | 54 years |
| Richard Anthony Bowler | Director | 27 Jul 2000 | 22 Dec 2015 | British | 73 years |
| Robert John Davies | Director | 30 Dec 1998 | 26 Mar 2002 | British | 78 years |
| Robert Scowen | Director | 7 Apr 2010 | 31 Mar 2021 | British | 66 years |
| Robert William Newson | Director | 18 May 1992 | 31 Jul 1998 | British | 67 years |
| Robert William Newson | Secretary | 18 May 1992 | 29 Sept 1994 | British | - |
| Simon Oliver Loh | Director | 1 May 2015 | 22 Aug 2016 | British | 43 years |
| Stephen John Clayton | Director | 18 May 1992 | 1 May 2002 | British | 73 years |
| Stephen Philip Lonsdale | Director | 3 Oct 1994 | 1 May 2002 | British | 69 years |
| Stephen William Bond | Director | 1 Nov 2018 | 7 Jul 2022 | British | 54 years |
| Terrance Neil Pykett | Director | 5 Oct 1994 | 5 Apr 1997 | British | 78 years |