| Alexander Robert Hambro | Director | 24 Dec 1996 | 10 Jan 2000 | British | 64 years |
| Andrew James Barnes | Director | 14 Dec 2000 | 19 Feb 2023 | British | 62 years |
| Brian Mark Johnson | Director | 16 Jul 2014 | 21 Aug 2023 | British | 52 years |
| Catherine Elizabeth Dyson | Director | 30 May 2018 | 3 Apr 2024 | British | 50 years |
| Charles Basil Tilley | Director | N/A | 31 Dec 1996 | British | 76 years |
| Charles Eric Alexander Hambro | Director | 11 Oct 1992 | 10 Jun 1994 | British | 96 years |
| Christopher James Wise | Secretary | 31 Aug 1995 | 9 Jun 1997 | British | - |
| Christopher Stephen Heyworth | Director | 8 Dec 2014 | 30 May 2018 | British | 44 years |
| David Gwynder Lewis | Director | 11 Oct 1992 | 10 Jun 1994 | British | 84 years |
| David Miller | Secretary | 8 Jun 2005 | 24 Oct 2005 | British | - |
| David Phillip Gibbs | Director | 11 Oct 1992 | 30 Sept 1996 | British | 85 years |
| Dominic Murray | Secretary | 19 May 2009 | 25 Jan 2011 | Other | - |
| Francis Bernard Hyland | Director | 10 Jun 1994 | 26 Sept 1995 | Irish | 88 years |
| Francis Bernard Hyland | Secretary | 11 Oct 1992 | 31 Aug 1995 | Irish | - |
| Grant Ashley Davies-ratcliff | Secretary | 14 Nov 2002 | 8 Jun 2005 | British | - |
| John Michael May | Director | 31 Aug 1995 | 8 Apr 1999 | British | 71 years |
| Kathy Cong | Secretary | 24 Oct 2005 | 19 May 2009 | British | - |
| Kathy Cong | Secretary | 25 Jan 2011 | 18 Jul 2013 | - | - |
| Kerry Anne Abigail Thomas | Secretary | 13 Nov 1998 | 14 Nov 2002 | British | - |
| Kevin Bruce Christie | Director | 1 Sept 1998 | 22 Mar 2000 | British | 68 years |
| Palash Ahmed | Director | 21 Nov 2023 | 27 Nov 2024 | British | 49 years |
| Peter Denis Hill-wood | Director | 11 Oct 1992 | 10 Mar 1994 | British | 90 years |
| Robert Victor Cohen | Director | 10 Jan 2000 | 31 Jan 2006 | British | 71 years |
| Seville Leonard Chonin | Director | 2 Mar 2006 | 3 Mar 2010 | British | 74 years |
| Stephen Arthur Cohen | Director | 30 Sept 1996 | 14 Dec 2000 | British | 73 years |
| Steven Mark Burgess | Director | 5 Jul 2000 | 28 Nov 2014 | British | 70 years |
| Susan Kathleen Kelly | Secretary | 9 Jun 1997 | 13 Nov 1998 | British | - |
| Timothy Robert Chanter | Director | 25 Jan 2011 | 16 Jun 2016 | British | 70 years |
