| Alan Charles Parker | Director | 21 Jan 2003 | 13 Sept 2004 | British | 80 years |
| Alan Steven Perelman | Director | 7 Jan 2000 | 29 Jan 2001 | British And Australian | 78 years |
| Alexandra Clare Thomas Hathaway | Director | 10 Jan 2025 | 6 Aug 2025 | British | 52 years |
| Amanda Victoria Brown | Director | 10 Mar 2003 | 28 Jun 2005 | British | 58 years |
| Andrew David Pellington | Director | 5 May 2005 | 1 Nov 2005 | British | 62 years |
| Anthony Robert Pearson | Director | 15 Feb 1991 | 30 Jan 1998 | British | 88 years |
| Anthony Russell Wood | Director | 15 Feb 1991 | 22 Feb 2000 | British | 83 years |
| Bhavesh Mistry | Director | 15 May 2015 | 15 Jun 2018 | British | 54 years |
| Charles Henderson Tidbury | Director | 15 Feb 1991 | 1 Feb 1991 | British | 100 years |
| Christopher Charles Bevan Rogers | Director | 1 Nov 2005 | 20 Jul 2012 | British | 66 years |
| Christopher James Storey | Director | 15 Feb 1991 | 22 Feb 2000 | British | 82 years |
| Christopher James Storey | Secretary | 15 Feb 1991 | 5 Jul 1999 | British | - |
| Christopher James Wilkins | Director | 7 Jan 2000 | 21 Jan 2003 | British | 80 years |
| Colin David Elliot | Director | 31 Oct 2006 | 16 Jan 2009 | British | 62 years |
| Daniel Richard Levere | Director | 21 Mar 2022 | 20 Dec 2024 | British | 46 years |
| David Hedley Richardson | Director | 7 Jan 2000 | 21 Jan 2003 | British | 75 years |
| David Oliphant Kinloch | Director | 15 Feb 1991 | 9 May 1995 | British | 84 years |
| Elizabeth Anne Thorpe | Secretary | 26 May 2000 | 30 Jan 2004 | British | - |
| Frank Nicholson | Director | 15 Feb 1991 | 7 Jun 1999 | British | 72 years |
| Geoffrey Michael Wright | Director | 15 Feb 1991 | 30 Sept 1993 | British | 100 years |
| George Pallister Greener | Director | 9 Aug 1999 | 22 Feb 2000 | British | 81 years |
| Graham Windle | Director | 21 Jan 2003 | 31 Oct 2006 | British | 74 years |
| Gregory Place | Director | 26 Apr 2004 | 5 May 2005 | British | 65 years |
| Hemantkumar Kiritbhai Patel | Director | 26 Mar 2019 | 21 Mar 2022 | British | 57 years |
| John Joseph Forrest | Director | 22 Jul 2011 | 6 Jul 2015 | British | 55 years |
| John Oliver Conlan | Director | 30 Oct 1997 | 22 Feb 2000 | British | 84 years |
| Jonathan Harry Cartwright | Director | 9 May 1995 | 22 Feb 2000 | British | 73 years |
| Judith Clare Atchison | Director | 1 Oct 1997 | 22 Feb 2000 | British | 74 years |
| Maria Rita Buxton Smith | Secretary | 26 May 2000 | 25 Sept 2002 | British | - |
| Mark Ian Hodgson | Secretary | 6 Aug 1993 | 26 May 2000 | British | - |
| Martin James Grant | Director | 22 Jun 1998 | 8 Feb 1999 | British | 77 years |
| Matthew Fearn | Director | 13 Mar 2001 | 21 Jan 2003 | British | 62 years |
| Matthew Yates | Director | 7 Feb 2024 | 10 Jan 2025 | British | 49 years |
| Michael Edward Tye | Director | 5 May 2005 | 30 Sept 2005 | British | 73 years |
| Neal Trevor Gossage | Director | 5 Jul 1996 | 8 Feb 1999 | British | 71 years |
| Nicholas John Northam | Director | 6 May 2004 | 5 May 2005 | British | 64 years |
| Patrick Joseph Anthony Dempsey | Director | 13 Sept 2004 | 28 Jan 2015 | British | 67 years |
| Paul Charles Flaum | Director | 31 Oct 2006 | 22 Jul 2011 | British | 56 years |
| Paul Charles Flaum | Director | 28 Jan 2015 | 30 Sept 2016 | British | 56 years |
| Paul Douglas Nicholson | Director | 15 Feb 1991 | 26 Mar 1999 | British | 88 years |
| Peter Ernest Roylance Vaux | Director | 15 Feb 1991 | 3 Feb 1995 | British | 87 years |
| Russell William Fairhurst | Director | 15 Oct 2007 | 5 Mar 2008 | British | 63 years |
| Russell William Fairhurst | Secretary | 30 Jan 2004 | 13 Jul 2018 | British | - |
| Simon Charles Barratt | Director | 7 Jan 2000 | 21 Jan 2003 | British | 67 years |
| Simon Edward Jones | Director | 14 Aug 2015 | 10 Nov 2023 | British | 50 years |
| Stephen Cokayne Gibbs | Director | 15 Feb 1991 | 22 Feb 2000 | British | 97 years |
| Steven Peter Lambert | Director | 21 Jan 2003 | 5 May 2005 | British | 62 years |
| Timothy Graham Walker | Director | 15 Feb 1991 | 31 Mar 1996 | British | 70 years |
| Timothy Graham Walker | Director | 26 Apr 1999 | 22 Feb 2000 | British | 70 years |
| Tony Matthew Dangerfield | Director | 26 Apr 2004 | 5 May 2005 | New Zealand | 66 years |
| William Peter Catesby | Director | 15 Feb 1991 | 22 Feb 2000 | British | 86 years |