| Abayomi Abiodun Okunola | Director | 29 Sept 2021 | 18 May 2023 | British | 58 years |
| Alan Charles Fell | Secretary | 30 Oct 1992 | 13 Apr 1995 | British | - |
| Alan Jack Cole | Director | 19 Jul 2006 | 28 Jul 2009 | British | 83 years |
| Alastair Clegg | Director | 22 Sept 2010 | 17 Aug 2012 | British | 56 years |
| Alexander Serge Lourie | Director | 15 Nov 1994 | 7 Dec 1999 | British | 79 years |
| Andrew James Nankivell | Secretary | 20 Nov 2006 | 5 Jun 2024 | British | - |
| Andrew Jude Belton | Director | 22 Sept 2010 | 31 Mar 2022 | Irish | 67 years |
| Andrew Muir | Director | 26 Sept 2012 | 3 Apr 2018 | British | 54 years |
| Andrew Richard Hill | Director | 19 Jul 2006 | 22 Apr 2008 | British | 67 years |
| Annemarie Fenlon | Director | 2 Feb 2017 | 3 Apr 2018 | British | 51 years |
| Anthony Christopher Taussig | Director | 30 Oct 1992 | 22 Sept 2004 | British | 87 years |
| Brenda Jane Pettifer | Director | 30 Oct 1992 | 17 Jan 1997 | British | 80 years |
| Brendan Bird | Director | 30 Oct 1992 | 17 May 1994 | British | 76 years |
| Carl Francis Byrne | Director | 3 Apr 2018 | 17 Aug 2022 | Irish | 47 years |
| Caroline Anne Harper | Director | 22 Sept 2004 | 19 Jul 2006 | British | 65 years |
| Christopher Charles Lloyd Evans | Director | 19 Jul 2006 | 22 Sept 2010 | British | 73 years |
| David Albert Edmonds | Director | 30 Oct 1992 | 13 Sept 1994 | British | 81 years |
| David Thompson | Director | 26 Jul 1994 | 26 Mar 2003 | British | 91 years |
| Edward Lewis | Director | 1 Apr 2002 | 24 Jan 2003 | British | 78 years |
| Edwin Sawacha | Director | 1 Apr 2002 | 14 Jul 2004 | British | 85 years |
| Eleanor Case Hoult | Director | 30 Apr 2020 | 2 Jan 2023 | British | 45 years |
| Elizabeth Mary Froude | Director | 3 Apr 2018 | 1 Nov 2018 | British | 61 years |
| Gerard Anthony Lemos | Director | 22 Sept 2004 | 5 Apr 2006 | British | 67 years |
| Gerard William Gallacher | Director | 6 Jul 2009 | 21 Jun 2010 | British | 61 years |
| Gillian Lesley Golding | Director | 2 Feb 2005 | 19 Jul 2006 | British | 77 years |
| Herschel Post | Director | 1 Apr 2002 | 28 Sept 2005 | British And American | 86 years |
| Ian Dunbar Graham | Director | 13 Sept 1994 | 14 Sept 1999 | British | 65 years |
| Ibijoke Eso | Secretary | 29 Mar 2004 | 20 Sept 2006 | British | - |
| Ingrid Margit Reynolds | Director | 19 Jul 2006 | 10 Dec 2007 | British | 70 years |
| Jennifer Mary Hamilton | Director | 30 Oct 1992 | 10 Nov 1998 | British | 78 years |
| Jeremy Hugh Stibbe | Director | 3 Apr 2018 | 1 Jun 2020 | British | 62 years |
| Joanna Lesley Simons | Director | 1 Apr 2002 | 3 Feb 2005 | British | 66 years |
| Joanna Michelle Embling | Director | 27 Jan 2010 | 22 Sept 2010 | British | 76 years |
| John Hughes | Director | 21 Apr 2008 | 21 Apr 2008 | Irish | 63 years |
| John Hughes | Director | 21 Apr 2008 | 30 Sept 2024 | Irish | 63 years |
| John Mark Edwards | Secretary | 13 Apr 1995 | 31 Dec 2003 | British | - |
| John Recordon | Director | 30 Oct 1992 | 28 Apr 1994 | British | 110 years |
| John Russell Coward | Director | 24 Nov 1992 | 23 May 1995 | British | 101 years |
| Jonathan Angus Buchanan | Director | 19 Jul 2006 | 18 May 2010 | British | 67 years |
| Kate Janet Davies | Director | 22 Sept 2010 | 2 Jan 2023 | British | 69 years |
| Katherine Louise Wilkey King | Director | 22 Sept 2010 | 4 Dec 2014 | British | 57 years |
| Katherine Wainwright-evans | Director | 20 Oct 1992 | 30 Sept 1994 | British | 79 years |
| Katie Yallop | Director | 27 Jan 2020 | 20 Jun 2025 | British | 41 years |
| Lawrence Sawyer Of Darlington | Director | 1 Apr 2002 | 22 Sept 2004 | British | 82 years |
| Lionel Edmund Morrison | Director | 30 Oct 1992 | 7 Dec 1999 | British | 90 years |
| Louisa Goldstein | Director | 20 Oct 1992 | 14 Sept 1999 | British | 79 years |
| Malcolm Maxby | Director | 30 Oct 1992 | 17 Jan 1997 | British | 81 years |
| Mark Vaughan | Director | 5 Aug 2013 | 17 Aug 2022 | British | 55 years |
| Martin Keith Baker | Director | 26 Jan 2009 | 22 Sept 2010 | British | 70 years |
| Mary Teresa Burke | Director | 30 Oct 1992 | 22 Sept 2004 | British | 81 years |
| Nicholas Butterworth | Director | 30 Oct 1992 | 23 Sept 1997 | British | 88 years |
| Patricia Phillips | Director | 30 Oct 1992 | 23 Feb 2000 | British | 80 years |
| Patrick Henry Grattan | Director | 21 Mar 1995 | 7 Dec 1999 | British | 83 years |
| Patti Openibo | Director | 1 Apr 2002 | 2 Feb 2006 | African | 67 years |
| Paul Christopher Phillips | Director | 22 Sept 2010 | 21 Aug 2021 | British | 70 years |
| Penelope Anne Hutton | Director | 1 Apr 2002 | 22 Sept 2004 | British | 66 years |
| Peter Alexander Frederick Harris | Director | 19 Jul 2006 | 12 Jul 2007 | British | 60 years |
| Pranlal Sheth | Director | 1 Apr 2002 | 30 Oct 2002 | British | 101 years |
| Richard Bellerby Allan | Director | 1 Apr 2002 | 25 Sept 2002 | British | 85 years |
| Richard Charles Prynne | Director | 17 Oct 2007 | 1 Aug 2008 | British | 62 years |
| Rick Raynsford | Director | 24 Nov 1992 | 6 Sept 1994 | British | 80 years |
| Roger Charles Lintern | Director | 30 Oct 2002 | 28 Sept 2005 | British | 80 years |
| Sara Thomson | Secretary | 5 Jun 2024 | 22 Apr 2025 | - | - |
| Shriti Vadera | Director | 1 Apr 2002 | 7 May 2003 | British | 63 years |
| Sophie Jane Warner | Director | 14 Apr 2010 | 22 Sept 2010 | British | 67 years |
| Stephen Hilditch | Director | 1 Apr 2002 | 19 Jul 2006 | British | 75 years |
| Stephen Lesley Tanner | Director | 30 Oct 1992 | 7 Dec 1999 | British | 89 years |
| Terence Doherty | Director | 20 Oct 1993 | 9 Dec 1997 | British | 75 years |
| William Roe | Director | 26 Mar 2003 | 22 Sept 2004 | British | 81 years |
| William Stanhope Owen | Director | 30 Oct 1992 | 24 Nov 1992 | British | 80 years |
| Wilson Charles Hinson | Director | 26 Mar 2003 | 19 Jul 2006 | American | 79 years |