| Aileen Norma Taylor | Secretary | 30 Apr 2010 | 5 Aug 2019 | - | - |
| Albert Morris | Director | 1 May 1992 | 31 Oct 1994 | British | 91 years |
| Alexander Maxwell Crombie | Director | 1 Jun 2009 | 1 Jan 2018 | British | 76 years |
| Alison Davis | Director | 1 Aug 2011 | 31 Mar 2020 | American | 64 years |
| Alison Marie Rose-slade | Director | 3 Dec 2018 | 25 Jul 2023 | British | 56 years |
| Angus Mcfarlane Mcleod Grossart | Director | 6 Mar 2000 | 20 Apr 2005 | British | 88 years |
| Anthony Di Iorio | Director | 1 Sept 2011 | 26 Mar 2014 | American | 82 years |
| Anthony John Habgood | Director | 15 Apr 1998 | 6 Mar 2000 | British | 79 years |
| Anthony Richard Pilkington | Director | 1 May 1992 | 26 Apr 1994 | British | 90 years |
| Archibald Sinclair Hunter | Director | 1 Sept 2004 | 28 Apr 2010 | British | 82 years |
| Arthur Frederick Ryan | Director | 1 Oct 2008 | 30 Sept 2013 | United States | 83 years |
| Bernard Philip Horn | Director | 10 Oct 1995 | 6 Mar 2000 | British | 79 years |
| Brendan Robert Nelson | Director | 1 Apr 2010 | 31 Dec 2018 | British | 76 years |
| Bruce Winfield Van Saun | Director | 1 Oct 2009 | 30 Sept 2013 | United States | 68 years |
| Cameron Mclatchie | Director | 6 Mar 2000 | 25 Apr 2002 | British | 78 years |
| Charles David Powell | Director | 1 May 1992 | 1 Apr 1993 | British | 84 years |
| Charles John Koch | Director | 29 Sept 2004 | 6 Feb 2009 | American | 79 years |
| Charles Murray Stuart | Director | 6 Mar 2000 | 25 Apr 2002 | British | 92 years |
| Charles Powell Of Bayswater | Director | 1 May 1993 | 6 Mar 2000 | British | 84 years |
| Colin Alexander Mason Buchan | Director | 1 Jun 2002 | 5 Aug 2011 | British | 71 years |
| Denis Marsden Child | Director | 1 May 1992 | 23 Apr 1996 | British | 99 years |
| Derek Wanless | Director | 1 May 1992 | 8 Oct 1999 | British | 78 years |
| Desmond Henry Pitcher | Director | 1 Jun 1994 | 20 Feb 1998 | British | 90 years |
| Edwin Ronald Nixon | Director | 1 May 1994 | 23 Apr 1996 | British | 100 years |
| Eileen Alison Mackay | Director | 6 Mar 2000 | 31 Dec 2005 | British | 82 years |
| Emilio Botin Sanz De Sautuola Y Garcia De Los Rios Botin | Director | 6 Mar 2000 | 12 Nov 2004 | Spanish | 91 years |
| Ewen James Stevenson | Director | 19 May 2014 | 30 Sept 2018 | British | 59 years |
| Franck Emmanuel Dangeard | Director | 16 May 2016 | 30 Apr 2018 | French | 67 years |
| Frederick Anderson Goodwin | Director | 6 Mar 2000 | 21 Nov 2008 | British | 67 years |
| Frederick Inglis Watt | Director | 4 Sept 2000 | 31 Jan 2006 | British | 65 years |
| George Ross Mathewson | Director | 6 Mar 2000 | 28 Apr 2006 | British | 85 years |
| Gordon Francis Pell | Director | 1 Feb 2000 | 31 Mar 2010 | British | 75 years |
| Graham John Beale | Director | 1 May 2018 | 31 Aug 2023 | British | 67 years |
| Graham Staples | Secretary | 10 May 1994 | 1 May 1994 | British | - |
| Guy Robert Whittaker | Director | 1 Feb 2006 | 30 Sept 2009 | British | 69 years |
| Hamish Martin Vincent Gray | Director | 11 May 1993 | 1 May 1993 | British | 79 years |
| Howard John Davies | Director | 14 Jul 2015 | 15 Apr 2024 | British | 74 years |
| Iain Samuel Robertson | Director | 6 Mar 2000 | 20 Apr 2005 | British | 80 years |
| Ian Charter Maclaurin | Director | 1 May 1992 | 13 Feb 1997 | British | 88 years |
| Ian Donald Cormack | Director | 1 May 2018 | 4 May 2025 | British | 78 years |
| Ian Faulconer Heathcoat Grant | Director | 6 Mar 2000 | 2 Dec 2000 | British | 86 years |
| James Blyth Of Rowington | Director | 15 Apr 1998 | 6 Mar 2000 | British | 85 years |
| James Geoffrey Littler | Director | 1 May 1992 | 4 Aug 1992 | British | 95 years |
| James Mcgill Currie | Director | 28 Nov 2001 | 6 Feb 2009 | British | 84 years |
| Jan Cargill | Secretary | 5 Aug 2019 | 14 Feb 2025 | - | - |
| Jane Earl | Secretary | 11 May 1993 | 1 May 1994 | British | - |
| Janet Mary Young | Director | 1 May 1992 | 23 Apr 1996 | British | 99 years |
| Janis Carol Kong | Director | 1 Jan 2006 | 6 Feb 2009 | British | 74 years |
| John Alastair Nigel Cameron | Director | 1 Mar 2006 | 13 Oct 2008 | British | 71 years |
| John David Rowland | Director | 15 Apr 1998 | 6 Mar 2000 | British | 92 years |
| John Edward Hughes | Director | 21 Jun 2017 | 1 Sept 2017 | British | 61 years |
| John Martin Owen | Director | 15 Jun 1992 | 16 Jun 1997 | United Kingdom | 79 years |
| John Mcfarlane | Director | 1 Oct 2008 | 31 Mar 2012 | British | 78 years |
| John Michael Middlecott Banham | Director | 1 Jul 1992 | 21 Apr 1998 | British | 85 years |
| John Tugwell | Director | 1 May 1992 | 21 Dec 1995 | British | 85 years |
| John William Melbourn | Director | 1 May 1992 | 31 Oct 1997 | British | 88 years |
| Joseph Patrick Machale | Director | 1 Sept 2004 | 14 May 2013 | British | 74 years |
| Juan Rodriguez Inciarte | Director | 6 Mar 2000 | 12 Nov 2004 | Spanish | 73 years |
| Lawrence Kingsbaker Fish | Director | 6 Mar 2000 | 31 Dec 2008 | American | 81 years |
| Mark Andrew Fisher | Director | 1 Mar 2006 | 21 Nov 2008 | British | 65 years |
| Mark Donald Seligman | Director | 1 Apr 2017 | 31 Mar 2025 | British | 69 years |
| Mark Heddle Ashworth | Secretary | 10 Jan 1995 | 1 May 1995 | British | - |
| Martin Gibbeson Taylor | Director | 1 May 1992 | 28 May 1993 | British | 90 years |
| Martin Gibbeson Taylor | Director | 1 May 1993 | 6 Mar 2000 | British | 90 years |
| Martin Hamish Vincent Gray | Director | 1 May 1994 | 31 Oct 1999 | British | 79 years |
| Martin Richard Harris | Director | 1 May 1992 | 27 Apr 1993 | British | 103 years |
| Michael John Rogers | Director | 26 Jan 2016 | 25 Apr 2023 | British | 61 years |
| Michael Richardson Angus | Director | 1 May 1992 | 6 Mar 2000 | British | 95 years |
| Miller Roy Mclean | Secretary | 6 Mar 2000 | 30 Apr 2010 | British | - |
| Morten Nicolai Friis | Director | 10 Apr 2014 | 31 Jul 2023 | Norwegian | 72 years |
| Nathan Mark Bostock | Director | 1 Oct 2013 | 28 May 2014 | British | 65 years |
| Norman Cardie Mcluskie | Director | 6 Mar 2000 | 23 Aug 2004 | British | 81 years |
| Patrick Anthony Gonsalves | Secretary | 19 Jan 1993 | 1 May 1993 | British | - |
| Paul Myners | Director | 5 Aug 1997 | 6 Mar 2000 | British | 77 years |
| Pendarell Hugh Kent | Director | 1 Sept 1997 | 6 Mar 2000 | British | 88 years |
| Penelope Lesley Hughes | Director | 1 Jan 2010 | 30 May 2018 | British | 66 years |
| Peter Denis Sutherland | Director | 31 Jan 2001 | 6 Feb 2009 | Irish | 79 years |
| Peter James Scott Hammonds | Secretary | 1 May 1992 | 4 May 2000 | British | - |
| Philip Gordon Scott | Director | 1 Nov 2009 | 31 Oct 2014 | British | 71 years |
| Philip Roy Hampton | Director | 19 Jan 2009 | 31 Aug 2015 | British | 72 years |
| Richard Clive Butler | Director | 1 May 1992 | 23 Apr 1996 | British | 96 years |
| Richard Delbridge | Director | 1 Oct 1996 | 30 Apr 2000 | British | 83 years |
| Richard Harry Evans | Director | 1 Oct 1998 | 6 Mar 2000 | British | 83 years |
| Richard Karl Goeltz | Director | 1 May 1992 | 3 Sept 1996 | American | 83 years |
| Robert Andrew Joseph Gillespie | Director | 2 Dec 2013 | 15 Dec 2022 | British | 70 years |
| Robert Avisson Scott | Director | 31 Jan 2001 | 6 Feb 2009 | Australian | 83 years |
| Robert Scott Alexander Of Weedon | Director | 1 May 1992 | 20 Apr 1999 | British | 89 years |
| Roger Flemington | Director | 1 May 1992 | 31 May 1992 | British | 93 years |
| Ronald Arnon Sandler | Director | 8 Oct 1999 | 6 Mar 2000 | British,german | 73 years |
| Ross Maxwell Mcewan | Director | 1 Oct 2013 | 31 Oct 2019 | New Zealander | 68 years |
| Rt Hon Lord Hurd Of Westwell | Director | 10 Oct 1995 | 20 Apr 1999 | British | 95 years |
| Sheila Valerie Noakes | Director | 1 Aug 2011 | 31 Jul 2020 | British | 76 years |
| Stephen Alan Michael Hester | Director | 1 Oct 2008 | 30 Sept 2013 | British | 65 years |
| Stephen Arthur Robson | Director | 25 Jul 2001 | 6 Feb 2009 | British | 82 years |
| Susan Joyce Birley | Director | 1 Mar 1996 | 6 Mar 2000 | British | 82 years |
| Sydney Lipworth | Director | 12 Oct 1993 | 6 Mar 2000 | British | 94 years |
| The Lord Vallance Of Tummel | Director | 6 Mar 2000 | 20 Apr 2005 | British | 82 years |
| The Rt Hon Viscount Younger Of Leckie | Corporate Director | 6 Mar 2000 | 11 Apr 2001 | - | - |
| Thomas Fulton Wilson Mckillop | Director | 1 Sept 2005 | 3 Feb 2009 | British | 82 years |
| Thomas Pearson Frost | Director | 1 May 1992 | 31 Aug 1993 | British | 92 years |
| William George Henry Quigley | Director | 1 May 1992 | 20 Apr 1999 | British | 96 years |
| William Michael Friedrich | Director | 1 Mar 2006 | 6 Feb 2009 | American | 76 years |
| William Moore Wilson | Director | 6 Mar 2000 | 25 Dec 2003 | British | 88 years |