| Alain Henri Pierre Dromer | Director | 1 Feb 2001 | 30 Mar 2007 | French | 72 years |
| Andrew James Canninig | Director | 23 May 1995 | 7 May 1996 | British | 64 years |
| Andrew James Fletcher | Director | 25 Nov 1992 | 31 Oct 2008 | British | 72 years |
| Andrew John Shirley Ross | Director | 11 Oct 1999 | 12 Jul 2001 | British | 67 years |
| Andrew Simon Clark | Director | 3 Dec 2012 | 27 Apr 2020 | British | 57 years |
| Anthony Charles Corfield | Director | 31 Jul 2008 | 27 Apr 2020 | British | 61 years |
| Anthony James Dunsford | Director | 2 Nov 1992 | 26 Jun 2000 | British | 77 years |
| Antonio Pedro Dos Santos Simoes | Director | 19 Dec 2014 | 2 Jun 2015 | Portuguese | 51 years |
| Ashton Charles Bradbury | Director | 9 Oct 1997 | 2 Nov 1998 | British | 60 years |
| Audrey Margaret Lowrie | Director | 23 May 1995 | 17 May 1999 | British | 67 years |
| Caroline Brousse | Director | 14 Aug 2006 | 5 Apr 2007 | French | 60 years |
| Caroline Brousse | Director | 13 Nov 2007 | 31 Aug 2010 | French | 60 years |
| Caroline Margaret Hitch | Director | 23 May 1995 | 26 Jun 2000 | British | 67 years |
| Carolyn Dina Schloss | Director | 23 May 1995 | 28 Apr 1997 | British | 63 years |
| Charles Nicholas Lindsell | Director | 25 Nov 1992 | 13 Aug 1993 | British | 73 years |
| Charlotte Allegra Berman | Director | 8 Dec 2015 | 27 Sept 2018 | British | 55 years |
| Christophe Raoul Fernand De Backer | Director | 28 Jun 2001 | 16 Jan 2006 | French | 64 years |
| Christopher Spencer Cheetham | Director | 5 Dec 2003 | 30 Jun 2020 | British | 71 years |
| Danielle Pass | Secretary | 21 Mar 2018 | 14 Jan 2020 | - | - |
| David Michael Anthony | Director | 25 Nov 1992 | 29 Jul 1994 | British | 85 years |
| David Nigel Ledeboer | Director | 17 Oct 1996 | 22 Jan 1999 | British | 83 years |
| David Paul Dawe | Director | 30 Aug 2005 | 30 Aug 2005 | British | 57 years |
| David Paul Dawe | Director | 29 Sept 2005 | 16 Oct 2007 | Canadian | 57 years |
| Dean Robert Buckley | Director | 23 May 1995 | 30 Oct 2007 | British | 66 years |
| Dinah Jane Mckenzie | Director | 25 Nov 1992 | 30 Oct 1997 | British | 65 years |
| Edmund Richard Stokes | Director | 6 Jul 2011 | 5 Apr 2017 | British | 57 years |
| Elizabeth Anne Hobley | Secretary | 23 Aug 1999 | 5 Feb 2001 | British | - |
| Geoffrey Alan Hall | Director | 25 Nov 1992 | 25 May 1995 | British | 78 years |
| Geoffrey Roy Cervenka | Director | 25 Nov 1992 | 24 Feb 1994 | British | 81 years |
| Geoffrey Tatlock Cheetham | Director | 16 Aug 2004 | 13 Jan 2006 | British | 65 years |
| George William Bayer | Secretary | 7 Nov 2007 | 12 Sept 2008 | British | - |
| Guillermo Eduardo Maldonado-codina | Director | 23 May 1995 | 26 Jun 2000 | British | 63 years |
| Guillermo Eduardo Maldonado-codina | Director | 23 May 1995 | 1 May 2003 | British | 63 years |
| Helen Docherty | Secretary | 5 Feb 2013 | 8 Oct 2013 | - | - |
| Ian Paul Macfarlane | Director | 4 Mar 1993 | 30 Apr 1995 | British | 69 years |
| James David Dowding | Director | 23 May 1995 | 26 Jun 2000 | British | 65 years |
| Jane Rowena Legge | Director | 23 May 1995 | 19 Nov 1997 | British | 64 years |
| Jenine Ruth Langrish | Director | 9 Oct 1997 | 26 Jun 2000 | British | 65 years |
| Jennifer Rosalind Paterson | Director | 27 Nov 2018 | 31 Jul 2024 | British | 73 years |
| Joanna Mary Munro | Director | 24 Jun 2008 | 20 May 2011 | British | 64 years |
| Joanna Mary Munro | Director | 6 Jan 2015 | 23 Sept 2019 | British | 64 years |
| Joanna Mary Munro | Director | 31 Jan 2022 | 16 May 2024 | British | 64 years |
| John Bernard Knight | Director | 25 Nov 1992 | 17 Jul 1998 | British | 80 years |
| John Garbutt | Director | 25 Nov 1992 | 26 Jun 2000 | British | 72 years |
| John Michael Flint | Director | 5 Jan 2010 | 31 Dec 2011 | British | 58 years |
| John Nicholas Ellerby | Director | 3 Dec 2012 | 30 Nov 2014 | British | 70 years |
| Kate Elizabeth Hudson | Secretary | 24 Apr 2012 | 5 Feb 2013 | - | - |
| Katherine O'connell | Secretary | 6 Feb 2015 | 10 May 2016 | - | - |
| Kerry Victoria Higgins | Secretary | 9 Jun 2016 | 16 Mar 2018 | - | - |
| Kevin John Gregory | Director | 26 Jan 1995 | 4 Jun 1999 | British | 69 years |
| Khalid Ghayur | Director | 23 May 1995 | 26 Jun 2000 | Pakistani | 65 years |
| Louisa Jane Jenkinson | Secretary | 16 Sept 2002 | 7 Nov 2007 | British | - |
| Margaret Rose Woods | Director | 25 Nov 1992 | 7 Mar 1994 | Dual British South African | 74 years |
| Mark Keverne Courthope Wills | Director | 23 May 1995 | 28 May 1999 | British | 67 years |
| Mark Seumas Mccombe | Director | 23 Apr 2007 | 11 Jan 2010 | British | 60 years |
| Martin Andrew Tully | Director | 26 Jun 2000 | 8 Dec 2000 | British | 64 years |
| Melanie Watkinson | Secretary | 14 May 1993 | 31 Aug 1994 | British | - |
| Melissa Gordon Mcdonald | Director | 19 Jan 2018 | 28 Jun 2021 | British | 55 years |
| Michael David Watson | Director | 30 Aug 2005 | 30 Aug 2005 | British | 65 years |
| Michael David Watson | Director | 9 Jan 2006 | 25 Aug 2009 | British | 65 years |
| Michael John Calverley Robertson | Director | 26 Jun 2000 | 14 Nov 2001 | British | 84 years |
| Michael Sturrock Warren | Director | 16 Mar 2006 | 6 Mar 2007 | British | 65 years |
| Michelle Danette Douglas-mann | Director | 26 Jun 2000 | 31 Mar 2006 | Canadian | 64 years |
| Nicholas Andrew Fraser | Director | 2 Nov 1992 | 25 Nov 1992 | British | 91 years |
| Nicholas Michael Watts | Director | 4 May 1993 | 10 Jun 1994 | British | 74 years |
| Nicola Suzanne Black | Secretary | 5 Feb 2001 | 16 Sept 2002 | British | - |
| Nigel Barker | Secretary | 1 May 1997 | 30 Nov 1998 | British | - |
| Paul Charles Guidone | Director | 19 Apr 1999 | 31 Jan 2001 | American | 69 years |
| Peter Edward Smith | Director | 26 Jun 2000 | 6 Jan 2004 | British | 66 years |
| Peter George Patrick Dew | Director | 11 Dec 2018 | 31 Jul 2024 | British | 81 years |
| Philip James Francis Glaze | Director | 12 Oct 2016 | 28 Feb 2020 | British | 62 years |
| Richard David Walter Haas | Secretary | 2 Nov 1992 | 14 May 1993 | British | - |
| Richard John Bisson | Director | 25 Nov 1992 | 4 Jun 1993 | British | 66 years |
| Robert Henry Wilson | Director | 2 Nov 1992 | 7 Feb 1996 | British | 87 years |
| Robert James Hinton | Secretary | 8 Oct 2013 | 6 Feb 2015 | - | - |
| Roy Selwyn Brooks | Director | 2 Nov 1992 | 29 May 1995 | British | 90 years |
| Rudolf Eduard Walter Apenbrink | Director | 16 Mar 2011 | 1 Oct 2011 | German | 63 years |
| Rudolf Eduard Walter Apenbrink | Director | 1 Jul 2020 | 20 Jun 2023 | German | 63 years |
| Sarah Caroline Gott | Secretary | 14 Nov 2008 | 24 Apr 2012 | British | - |
| Shaun Kevin Bryant | Secretary | 1 Dec 1998 | 23 Aug 1999 | British | - |
| Sheung Yi Christine Chow | Director | 31 Dec 2021 | 10 Jan 2023 | British | 53 years |
| Simeon Thomas Brown | Director | 30 Oct 2007 | 3 Dec 2012 | British | 60 years |
| Simon Patrick Moules | Director | 14 Mar 2003 | 31 Mar 2006 | British | 72 years |
| Sridhar Chandrasekharan | Director | 20 Sept 2012 | 13 Nov 2014 | Indian | 56 years |
| Stephen Grant Watson | Director | 25 Nov 1992 | 27 Aug 1993 | British | 70 years |
| Stephen Peter Francis Macklow-smith | Director | 23 May 1995 | 14 Mar 1997 | British | 63 years |
| Stuart David Fowler | Director | 25 Nov 1992 | 16 Dec 1994 | British | 65 years |
| Stuart Kingsley White | Director | 27 Apr 2020 | 1 Apr 2025 | British | 55 years |
| Sue Siu-mui Tang | Secretary | 31 Aug 1994 | 1 May 1997 | British | - |
| Timothy James Palmer | Director | 1 Apr 2017 | 1 Mar 2023 | British | 72 years |
| Timothy Richard Macdonald | Director | 23 May 1995 | 26 Jun 2000 | British | 69 years |
| Viswanath Nayar | Director | 14 Sept 2023 | 5 Feb 2024 | British | 59 years |