| Adrian James Henry Ewer | Director | 31 May 1992 | 1 Aug 1996 | British | 72 years |
| Alastair James Gordon-stewart | Director | 12 Feb 2013 | 1 Jun 2016 | British | 53 years |
| Andrew Nicholas Cenwulf Storey | Director | 5 Dec 2018 | 4 Mar 2022 | British | 68 years |
| Andrew Nicholas Howard White | Director | 8 Mar 2006 | 31 Jan 2013 | British | 55 years |
| Bethan Melges | Secretary | 16 Jul 2015 | 9 Sept 2019 | - | - |
| Brian John Peter Fitzgerald | Director | 31 May 1992 | 11 Feb 1994 | British | 79 years |
| Charles David Spencer Porter | Director | 1 Aug 1996 | 10 Sept 1997 | British | 59 years |
| Christopher Joseph Bond | Director | 2 Nov 1998 | 19 Aug 2002 | British | 67 years |
| Christopher Joseph Bond | Secretary | 26 Mar 2002 | 17 Jun 2002 | British | - |
| Colin Ronald Bain | Director | 27 Mar 2003 | 18 Mar 2005 | British | 68 years |
| David Ian Smith | Director | 31 May 1992 | 26 Mar 2002 | British | 73 years |
| David Ian Smith | Secretary | 31 May 1992 | 26 Mar 2002 | British | - |
| Deborah Pamela Hamilton | Secretary | 25 Jul 2011 | 22 Sept 2014 | - | - |
| Derrick Ardern | Director | 12 Feb 1993 | 26 Mar 2002 | British | 80 years |
| Ernest Airey | Director | 31 May 1992 | 31 May 1996 | British | 85 years |
| Helen Christine Gordon | Director | 31 May 1992 | 16 Sept 1997 | British | 66 years |
| Ian Paul Woods | Director | 12 Apr 2002 | 31 Mar 2013 | British | 68 years |
| Ian Paul Woods | Secretary | 17 Jun 2002 | 25 Jul 2011 | British | - |
| James Anthony John Byrne | Director | 12 Apr 2002 | 8 Jul 2002 | British | 69 years |
| James Armstrong | Director | 31 May 1992 | 2 Nov 1998 | British | 86 years |
| James Paul Lambert | Director | 2 Feb 2005 | 18 Aug 2005 | British | 58 years |
| John Bruce Anderson | Director | 22 Feb 2013 | 1 Jun 2016 | British | 62 years |
| John Richard Walshe | Director | 31 May 1992 | 31 Dec 1992 | British | 93 years |
| Kevin Dixon | Director | 8 Apr 2011 | 29 Dec 2017 | British | 70 years |
| Matthew Armitage | Secretary | 22 Dec 2014 | 16 Jul 2015 | - | - |
| Michael Richard Cowen | Director | 22 Dec 1999 | 26 Mar 2002 | British | 64 years |
| Nigel Alan Turner | Director | 1 Aug 2001 | 19 Jan 2016 | British | 60 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 24 Sept 2021 | - | - |
| Phillippa Jane Wilton Prongué | Director | 22 Feb 2013 | 5 Dec 2018 | British | 49 years |
| Richard Robinson | Director | 2 Nov 1998 | 26 Mar 2002 | British | 74 years |
| Richard William Simkin | Director | 11 Apr 2002 | 30 Jun 2011 | British | 77 years |
| Roger John Duncombe | Director | 21 Mar 2005 | 8 Apr 2009 | British | 71 years |
| Stephen John Wehrle | Director | 2 Nov 1998 | 26 Mar 2002 | British | 76 years |
| Susan Elizabeth Gray | Director | 1 Aug 2001 | 10 Feb 2002 | British | 59 years |
| Thomas George Gilman | Director | 7 Oct 2002 | 24 Dec 2004 | British | 55 years |
| Thomas George Gilman | Director | 8 Apr 2011 | 19 Feb 2020 | British | 55 years |