| Abdul Munem Oppal | Secretary | 9 Oct 2006 | 31 May 2009 | British | - |
| Alan Robert Haslam | Director | 1 May 1991 | 18 Jun 1999 | British | 71 years |
| Alison Joan Cooke | Director | 26 Apr 1996 | 23 Jan 1998 | British | 68 years |
| Christopher Reading | Director | 1 May 1991 | 4 Apr 2000 | British | 84 years |
| Clare Jane Bousfield | Director | 29 Dec 2006 | 31 May 2007 | British | 58 years |
| Clive Adam Cowdery | Director | 2 May 2002 | 27 Mar 2003 | British | 63 years |
| Craig Douglas Hamilton | Director | 1 May 2023 | 31 Mar 2025 | British | 52 years |
| David Andrew Lowe | Director | 23 Jan 1998 | 9 Apr 2002 | British | 60 years |
| David Andrew Lowe | Director | 18 Jun 2003 | 28 Nov 2005 | British | 60 years |
| David James Hastings | Director | 1 May 1991 | 27 Mar 1996 | British | 78 years |
| Derek John Thomas | Secretary | 8 Jan 2003 | 9 Oct 2006 | British | - |
| Douglas Scott Dolfi | Director | 2 May 2002 | 14 Dec 2006 | American | 64 years |
| Edmund John Stephen Miller | Director | 1 May 1991 | 23 Apr 1993 | British | 93 years |
| Edmund John Stephen Miller | Secretary | 1 May 1991 | 26 Apr 1994 | British | - |
| Eran Isaac Winkler | Director | 13 Jan 1999 | 13 Jul 1999 | British | 68 years |
| Gareth David Pearce | Director | 18 Jan 2000 | 8 Apr 2002 | British | 73 years |
| Gavin Henry Ellis Hill | Director | 1 May 1991 | 8 Apr 2002 | British | 73 years |
| Graham Lloyd Singleton | Director | 28 Jan 2010 | 26 Mar 2013 | British | 63 years |
| Jonathan James Yates | Director | 3 Jan 2007 | 18 Sept 2009 | British | 65 years |
| Mark Francis Swallow | Director | 28 Jun 2007 | 10 Nov 2008 | British | 59 years |
| Mark Richard Chambers | Secretary | 8 Apr 2002 | 8 Jan 2003 | British | - |
| Matthew Hilmar Cuhls | Director | 28 Mar 2013 | 30 Jun 2023 | British | 52 years |
| Michael Charles Woodcock | Director | 4 Oct 2012 | 16 Mar 2022 | British | 58 years |
| Michael William Mead | Director | 30 Jul 1999 | 8 Apr 2002 | British | 84 years |
| Paul Shakespeare | Secretary | 1 Jun 2009 | 22 Jul 2020 | British | - |
| Peter Robert Branch | Director | 3 Sept 1992 | 26 May 2000 | British | 73 years |
| Rebecca Wainwright | Director | 16 Mar 2022 | 1 May 2023 | British | 51 years |
| Richard Stuart Taylor | Director | 1 May 1991 | 14 Nov 2000 | British | 67 years |
| Robert William Albert Howe | Director | 15 Jan 2007 | 15 Jan 2007 | British | 77 years |
| Roger Charles Engledow | Secretary | 26 Apr 1993 | 8 Apr 2002 | British | - |
| Roger Craine | Director | 10 Nov 2008 | 4 Oct 2012 | British | 70 years |
| Roger William Davies | Director | 2 May 2002 | 30 Jun 2003 | British | 80 years |
| Stephen Paul Andrew Knight | Director | 14 Dec 2005 | 31 Dec 2007 | British | 59 years |
| Stephen Robert Haynes | Director | 18 Jun 2003 | 31 Dec 2007 | British | 58 years |
| Timothy Joseph Carroll | Director | 3 Jan 2007 | 3 Jan 2007 | Irish | 71 years |
| Wilson Weldon Wilson | Director | 22 Jan 2007 | 10 Nov 2008 | American | 65 years |