| Adrian Philip Penfold | Director | 10 Nov 1999 | 31 Mar 2018 | British | 73 years |
| Alan James Wilson | Director | 31 Dec 1992 | 2 Jan 1996 | British | 93 years |
| Amanda Jane Jones | Director | 24 Sept 2002 | 29 Jun 2022 | British | 52 years |
| Andrew David Smith | Director | 21 Jul 2008 | 14 Feb 2014 | British | 49 years |
| Andrew Marc Jones | Director | 2 Sept 2005 | 6 Nov 2009 | British | 57 years |
| Anthony Braine | Director | 31 Dec 1992 | 31 Jul 2014 | British | 68 years |
| Anthony Braine | Secretary | 31 Dec 1992 | 22 Mar 1995 | British | - |
| Anthony Braine | Secretary | 5 Sept 2000 | 23 Jun 2004 | British | - |
| Anthony William Adams | Director | 29 Oct 1997 | 28 Feb 2007 | British | 72 years |
| Barry Chester Winfield | Director | 4 Dec 2002 | 30 Jun 2010 | British | 77 years |
| Benjamin Toby Grose | Director | 2 Sept 2005 | 4 Jul 2022 | British | 56 years |
| Brian Desmond Morris | Director | 24 Sept 2002 | 12 Oct 2007 | British | 71 years |
| Bryan John Lewis | Director | 24 Sept 2002 | 28 Nov 2022 | British | 58 years |
| Catherine Mason | Director | 8 Dec 2004 | 28 Jan 2008 | British | 57 years |
| Christopher Guy Betts | Director | 5 Mar 2003 | 29 Feb 2008 | British | 60 years |
| Christopher Michael John Forshaw | Director | 13 Jan 1995 | 5 Apr 2017 | British | 76 years |
| Claire Ann Barber | Director | 21 Jul 2008 | 20 Dec 2019 | British | 51 years |
| Colin Denny Stubbs | Director | 31 Dec 1992 | 29 Oct 1997 | British | 86 years |
| Cyril Metliss | Director | 31 Dec 1992 | 14 Jul 2006 | British | 102 years |
| Daniel Peltz | Director | 29 Sept 2000 | 20 Dec 2001 | British | 64 years |
| Darren Windsor Richards | Director | 21 Jul 2008 | 2 Dec 2022 | British | 53 years |
| David Charles Berry | Director | 31 Dec 1992 | 17 Jul 1998 | British | 88 years |
| Eugene Francis Doyle | Director | 2 Sept 2005 | 13 Aug 2007 | Irish | 68 years |
| Geoffrey David Scodie | Director | 16 Mar 2022 | 4 Jul 2022 | British | 43 years |
| Graham Charles Roberts | Director | 2 Jan 2002 | 30 Jun 2011 | British | 67 years |
| Graham Frederick Lee | Director | 5 Mar 2003 | 31 Aug 2007 | British | 76 years |
| Irwin Neville Geoffrey Selwyn | Director | 31 Dec 1992 | 6 Mar 2001 | British | 85 years |
| James William Jeremy Ritblat | Director | 31 Dec 1992 | 12 Feb 1996 | British | 58 years |
| John Harry Weston Smith | Director | 31 Dec 1992 | 14 Jul 2006 | British | 93 years |
| John Harvey Iddiols | Director | 31 Dec 1992 | 30 Jun 2007 | British | 79 years |
| John Ritblat | Director | 31 Dec 1992 | 31 Dec 2006 | British | 90 years |
| Jonathan Paul Hallam | Director | 23 Mar 2001 | 31 Aug 2005 | British | 64 years |
| Justin Derek Ronald Snoxall | Director | 24 Sept 2002 | 1 Oct 2015 | British | 64 years |
| Kenneth William Dytor | Director | 31 Dec 1992 | 16 Nov 1997 | British | 68 years |
| Lucinda Margaret Bell | Director | 31 Dec 1992 | 19 Jan 2018 | British | 61 years |
| Mark Andrew Stirling | Director | 2 Sept 2005 | 6 Nov 2009 | British | 62 years |
| Mark Trevor Wright | Director | 14 Feb 2001 | 31 Dec 2006 | British | 64 years |
| Merrick Christopher Lawrence Marshall | Director | 5 Mar 2003 | 30 Sept 2007 | British | 66 years |
| Michael Ian Gunston | Director | 31 Dec 1992 | 31 Jan 2007 | British | 81 years |
| Mohammed Al-dajani | Director | 4 Dec 2002 | 31 Dec 2008 | Italian | 73 years |
| Naren Govindji Raichura | Director | 29 Oct 1997 | 1 Aug 2007 | British | 77 years |
| Ndiana Ekpo | Secretary | 30 Apr 2009 | 6 Dec 2016 | Other | - |
| Nicholas Keith Bates | Director | 14 Feb 2001 | 31 Mar 2010 | British | 63 years |
| Nicholas Simon Jonathan Ritblat | Director | 31 Dec 1992 | 31 Aug 2005 | British | 64 years |
| Patrick Edward Hawkins | Director | 2 Sept 2005 | 9 Jan 2013 | British | 57 years |
| Patrick Lionel Vaughan | Director | 2 Sept 2005 | 14 Jul 2006 | British | 78 years |
| Paul Burgess | Director | 14 Feb 2001 | 31 Mar 2016 | British | 68 years |
| Peter Courtenay Clarke | Director | 22 Mar 1995 | 16 Aug 2010 | British | 59 years |
| Peter Courtenay Clarke | Secretary | 22 Mar 1995 | 5 Sept 2000 | British | - |
| Peter Earl | Director | 8 Apr 1998 | 30 Apr 2008 | British | 64 years |
| Rebecca Jane Scudamore | Secretary | 23 Jun 2004 | 30 Apr 2009 | Other | - |
| Richard Elliott | Director | 2 Sept 2005 | 30 Jun 2017 | British | 61 years |
| Robert Edward Bowden | Director | 31 Dec 1992 | 31 Dec 2007 | British | 83 years |
| Sarah Morrell Barzycki | Director | 8 Apr 1998 | 18 Mar 2022 | British | 67 years |
| Shenol Adam | Director | 31 Mar 1996 | 27 Feb 2001 | British | 79 years |
| Stephen Alan Michael Hester | Director | 12 Nov 2004 | 15 Nov 2008 | British | 65 years |
| Stephen Graham Spooner | Director | 21 Jun 1995 | 31 Aug 2005 | British | 68 years |
| Stephen Lionel Kalman | Director | 31 Dec 1992 | 16 Jul 1999 | British | 86 years |
| Steven John Rickard | Director | 14 Feb 2001 | 6 Sept 2013 | British | 65 years |
| Stuart Slack | Director | 31 Dec 1992 | 30 Jun 2004 | British | 80 years |
| Timothy Andrew Roberts | Director | 29 Sept 2000 | 31 Mar 2019 | British | 61 years |
| Valentine Tristram Beresford | Director | 2 Sept 2005 | 6 Nov 2009 | British | 60 years |
| Victoria Margaret Penrice | Director | 1 Aug 2014 | 29 Apr 2015 | British | 61 years |