| Alexandre Macaire | Director | 10 Jul 2015 | 21 Sept 2020 | French | 53 years |
| Andrew Michael Morley Dixon | Director | 29 Jun 1995 | 10 Mar 1997 | British | 67 years |
| Andrew Michael Morley Dixon | Director | 10 Mar 1997 | 31 May 2007 | British | 67 years |
| Anna Buels | Director | 26 Sept 2011 | 11 Jan 2016 | British | 54 years |
| Anthony Joseph Ashford | Director | 8 Oct 2002 | 22 Nov 2004 | British | 77 years |
| Anthony Philip Hope | Director | 12 Feb 1993 | 1 Nov 2006 | British | 79 years |
| Charles Edmund Royden Ledsam | Secretary | 12 Feb 1993 | 31 Dec 1998 | British | - |
| Charlotte Caulfield | Secretary | 17 Feb 2016 | 8 Jun 2017 | - | - |
| Christen Schnor | Director | 3 Jul 2007 | 17 Dec 2008 | British | 67 years |
| Christopher James Burr | Director | 7 May 2002 | 31 May 2007 | British | 59 years |
| Chung Foo Choy | Director | 8 May 2002 | 31 Dec 2007 | British | 78 years |
| Clive Christopher Roger Bannister | Director | 21 Nov 2006 | 31 Mar 2010 | British | 68 years |
| Danielle Pass | Secretary | 13 Dec 2017 | 14 Jan 2020 | - | - |
| David Lawrence Fried | Director | 8 Oct 2002 | 18 Feb 2008 | American | 65 years |
| David Lawrence Fried | Director | 18 Feb 2007 | 1 Oct 2011 | American | 65 years |
| David M Neenan | Director | 27 Mar 2009 | 30 Sept 2012 | Usa | 61 years |
| Frank Riddell Frame | Director | 12 Feb 1993 | 10 Mar 1993 | British | 96 years |
| Graham Fraser Puttergill | Director | 12 Feb 1993 | 30 Jun 2000 | British | 77 years |
| Harpal Singh Karlcut | Director | 22 Oct 2012 | 30 Jun 2015 | British | 62 years |
| Ian William Macalester | Director | 8 Sept 2015 | 14 Sept 2023 | British | 57 years |
| John Thomas Greene | Director | 23 Sept 2009 | 1 May 2014 | Usa | 61 years |
| Jose Rafael Vazquez | Director | 28 Feb 2011 | 29 Feb 2012 | British | 62 years |
| Kate Elizabeth Hudson | Secretary | 24 Sept 2009 | 16 Oct 2013 | - | - |
| Kerry Barton Alberti | Director | 19 Apr 1993 | 31 Jul 1993 | American | 82 years |
| Louisa Jane Jenkinson | Secretary | 1 Mar 2001 | 24 Feb 2004 | British | - |
| Marcelo Gomes Teixeira | Director | 1 Oct 2011 | 18 Nov 2015 | Brazilian | 62 years |
| Mary Josephine Margaret Mcnalty | Secretary | 16 Oct 2013 | 31 Dec 2014 | - | - |
| Nigel Barker | Secretary | 1 Jan 1999 | 28 Feb 2001 | British | - |
| Nigel Grant Hinshelwood | Director | 27 Mar 2009 | 24 Feb 2011 | British | 60 years |
| Patrick Gerard Flynn | Director | 18 Feb 2008 | 6 Jul 2009 | Irish | 66 years |
| Pauline Louise Mcquillan | Secretary | 21 Aug 2008 | 24 Sept 2009 | British | - |
| Peter James Harvey | Secretary | 24 Feb 2004 | 21 Aug 2008 | Other | - |
| Peter James Valentine | Director | 27 Mar 2009 | 30 Nov 2010 | Uk | 74 years |
| Simon Lloyd Brett | Director | 19 Apr 1993 | 21 Oct 1997 | New Zealander | 92 years |
| Steven Geoffrey Troop | Director | 27 Mar 2006 | 21 Jun 2007 | British | 70 years |
| Syeeda Siddiqui | Secretary | 29 Jan 2015 | 17 Feb 2016 | - | - |
| Thomas Geoffrey Wolfenden | Director | 24 Jul 2014 | 10 Jul 2015 | British | 50 years |
| Vivek Karda | Secretary | 26 Apr 2021 | 1 Jul 2022 | - | - |