| Alan Joseph Korn | Director | 30 Apr 1992 | 19 Dec 2001 | British | 88 years |
| Alastair James Gordon-stewart | Director | 8 Jul 2013 | 24 Sept 2018 | British | 54 years |
| Alec Arthur Livock | Director | 30 Apr 1992 | 30 Sept 1999 | British | 90 years |
| Allyson Mary Teresa Ablett | Secretary | 4 Feb 2003 | 31 Dec 2008 | British | - |
| Bethan Melges | Secretary | 16 Jul 2015 | 9 Sept 2019 | - | - |
| Clive Thomas | Director | 1 Oct 2019 | 31 Mar 2023 | British | 60 years |
| Colin John Lingwood | Director | 30 Apr 1992 | 1 May 1998 | British | 92 years |
| David Arthur Gooch | Director | 30 Apr 1992 | 5 Apr 1993 | British | 89 years |
| David Bryan Elsey | Secretary | 1 Apr 2001 | 4 Feb 2003 | British | - |
| David Errol Neale | Director | 30 Apr 1992 | 31 Oct 1999 | British | 89 years |
| David Neville Benson | Director | 8 Jul 2013 | 9 Oct 2015 | British | 56 years |
| David William Edmund Sterry | Director | 2 Jun 1997 | 7 Jul 2008 | British | 78 years |
| Deborah Pamela Hamilton | Secretary | 8 Jul 2013 | 22 Sept 2014 | - | - |
| Donald William Macdiarmid | Director | 6 Sept 2012 | 8 Jul 2013 | British | 65 years |
| Frank Housely Noble | Director | 30 Apr 1992 | 7 Nov 1994 | British | 92 years |
| Frank Housely Noble | Secretary | 30 Apr 1992 | 30 Apr 1995 | British | - |
| Giuseppe Incutti | Director | 5 Jun 2020 | 7 Jun 2022 | British | 56 years |
| Haydn Jonathan Mursell | Director | 8 Jul 2013 | 28 Apr 2015 | British | 55 years |
| Hugh Edward Earle Raven | Director | 8 Jul 2013 | 28 Apr 2015 | British | 55 years |
| James Nigel Holmes | Director | 30 Apr 1992 | 9 Jun 1998 | British | 98 years |
| Lee Howard | Director | 12 Oct 2018 | 1 Oct 2019 | British | 45 years |
| Lee Woodall | Director | 17 Sept 2020 | 28 Feb 2022 | British | 50 years |
| Marcus Faughey Jones | Director | 22 Mar 2016 | 8 Jun 2020 | British | 56 years |
| Mark Antony Hazlewood | Director | 13 Mar 2012 | 8 Jul 2013 | British | 60 years |
| Matthew Armitage | Secretary | 12 Dec 2014 | 16 Jul 2015 | - | - |
| Matthew Stevens | Director | 9 Dec 2009 | 13 Mar 2012 | British | 57 years |
| Michael Edward Dunn | Director | 2 Aug 2005 | 8 Jan 2010 | British | 58 years |
| Nigel Alan Turner | Director | 8 Jul 2013 | 28 Apr 2015 | British | 61 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 24 Sept 2021 | - | - |
| Philip Windover Fellowes-prynne | Director | 14 Apr 2008 | 6 Sept 2012 | British | 64 years |
| Richard David Dean | Director | 2 Aug 2005 | 7 Jul 2008 | British | 67 years |
| Robert Ernest Patrick Browne | Director | 1 Apr 1995 | 5 Aug 2005 | British | 84 years |
| Robert Ernest Patrick Browne | Secretary | 1 Apr 1995 | 1 Apr 2001 | British | - |
| Robert Ian Findlater | Director | 1 May 2004 | 7 May 2010 | British | 71 years |
| Simon John Howell | Secretary | 1 Jan 2009 | 8 Jul 2013 | British | - |
| Thomas Lee Foreman | Director | 5 Jun 2020 | 31 Aug 2020 | British | 50 years |
| William Steven Hoggan | Director | 1 Apr 2001 | 3 May 2005 | British | 82 years |