| Alan Arnold Jones | Director | 1 Aug 1992 | 16 May 1994 | British | 86 years |
| Andrew Marc Jones | Director | 13 Jul 2006 | 6 Nov 2009 | British | 58 years |
| Anne Katharine Lawley | Secretary | 2 Nov 1992 | 18 Jul 2003 | British | - |
| Arthur Nicolas Light | Director | 1 Aug 1992 | 13 Aug 1996 | British | 81 years |
| Benjamin Toby Grose | Director | 13 Jul 2012 | 2 Oct 2014 | British | 57 years |
| Bruce Michael James | Director | 26 Apr 2018 | 31 Dec 2021 | British | 59 years |
| Catherine Fiona Sayers | Director | 17 Nov 2023 | 22 Jan 2024 | British | 35 years |
| Charles John Middleton | Director | 26 Apr 2018 | 31 Mar 2022 | British | 60 years |
| Colin James Carter | Director | 19 May 1994 | 26 Jan 1996 | British | 73 years |
| David Michael Childs | Director | 25 Jan 2005 | 12 Jul 2006 | British | 70 years |
| David Michael Coleman | Director | 1 Feb 1996 | 31 Jan 2001 | British | 81 years |
| Duncan Eden Tatton Brown | Director | 18 Jul 2003 | 1 Nov 2004 | British | 61 years |
| Gary Preston Shillinglaw | Secretary | 18 Jul 2003 | 7 Oct 2003 | British | - |
| Geoffrey John Mulcahy | Director | 1 Aug 1992 | 21 Nov 2002 | British | 84 years |
| Graham Charles Roberts | Director | 13 Jul 2006 | 30 Jun 2011 | British | 68 years |
| Graham Edward Orton | Director | 18 Nov 2003 | 12 Jul 2006 | British | 63 years |
| Helen Alison Weir | Director | 31 Mar 2003 | 30 Jan 2004 | British | 64 years |
| Ian Graham Garden | Director | 3 Dec 2001 | 18 Jul 2003 | British | 68 years |
| Ian Michael Mashiter | Director | 9 Nov 2000 | 28 Mar 2003 | English | 71 years |
| Jean-marc Vandevivere | Director | 13 Jul 2012 | 31 Jan 2016 | French | 49 years |
| John Charles Marsh | Director | 20 Jul 2001 | 3 Dec 2001 | British | 67 years |
| John Ritblat | Director | 13 Jul 2006 | 31 Dec 2006 | British | 91 years |
| Jonathan David Taylor | Director | 1 Feb 2024 | 11 Nov 2024 | British | 43 years |
| Josephine Hayman | Director | 31 Jan 2020 | 11 Nov 2024 | British | 37 years |
| Keith Fleming | Director | 1 Mar 2004 | 15 Nov 2005 | British | 67 years |
| Lucinda Margaret Bell | Director | 13 Jul 2006 | 19 Jan 2018 | British | 62 years |
| Mark Peter Creedy | Director | 1 Aug 1992 | 6 Jun 2002 | British | 72 years |
| Mark Steven Elliott | Director | 20 Jul 2001 | 3 Dec 2001 | British | 68 years |
| Martin Howard Stokes | Secretary | 7 Oct 2003 | 7 Apr 2005 | British | - |
| Martin John Reavley | Director | 6 Jun 2002 | 28 Mar 2003 | British | 72 years |
| Michael Caslake Cutt | Director | 21 Jul 2003 | 30 Sept 2005 | British | 68 years |
| Ndiana Ekpo | Secretary | 30 Apr 2009 | 6 Dec 2016 | Other | - |
| Niall Gordon Brock Lindsay | Director | 2 Aug 2000 | 14 Mar 2003 | British | 69 years |
| Nick Taunt | Director | 5 Oct 2020 | 22 Dec 2023 | British | 40 years |
| Nigel Mark Webb | Director | 13 Jul 2006 | 26 Apr 2018 | British | 63 years |
| Paul Andrew Thimont | Director | 9 Apr 1996 | 30 Nov 2001 | British | 73 years |
| Peter Courtenay Clarke | Director | 13 Jul 2006 | 16 Aug 2010 | British | 60 years |
| Rebecca Jane Scudamore | Secretary | 13 Jul 2006 | 30 Apr 2009 | Other | - |
| Richard John Burgess | Director | 11 Dec 1992 | 31 May 1996 | British | 80 years |
| Robert Edward Bowden | Director | 13 Jul 2006 | 31 Dec 2007 | British | 84 years |
| Roger Frederick Crawford Blundell | Director | 3 Mar 2006 | 12 Jul 2006 | British | 64 years |
| Sally Jane Clifton | Secretary | 7 Apr 2005 | 12 Jul 2006 | British | - |
| Sarah Morrell Barzycki | Director | 13 Jul 2006 | 30 Mar 2018 | British | 68 years |
| Simon Geoffrey Carter | Director | 13 Jul 2012 | 30 Jan 2015 | British | 51 years |
| Simon Jocelyn Enoch | Secretary | 1 Aug 1992 | 2 Nov 1992 | British | - |
| Stephen Alan Michael Hester | Director | 13 Jul 2006 | 15 Nov 2008 | British | 66 years |
| Stephen Paul Smith | Director | 13 Jul 2012 | 31 Mar 2013 | British | 73 years |
| Terrance Hartwell | Director | 28 Mar 2003 | 12 Jul 2006 | British | 70 years |
| Timothy Andrew Ayre | Director | 1 Aug 1992 | 6 Jun 2002 | British | 71 years |
| Timothy Andrew Roberts | Director | 13 Jul 2006 | 26 Apr 2018 | British | 62 years |
| Tom Robson | Director | 31 Jan 2020 | 11 Sept 2020 | British | 44 years |
| William Martyn Phillips | Director | 3 Mar 2006 | 13 Jul 2006 | British | 58 years |