| Alan Sinclair Devine | Director | 19 Jan 2010 | 28 Oct 2014 | British | 65 years |
| Alan Wilkinson | Director | 29 May 1997 | 19 Oct 1999 | British | 76 years |
| Allen Peter Hing | Director | 1 Oct 1992 | 1 Jan 1999 | British | 75 years |
| Andrew David Potter | Director | 4 Apr 2014 | 8 Apr 2019 | British | 47 years |
| Andrew Michael Haigh | Director | 1 Oct 1992 | 1 Sept 1993 | British | 67 years |
| Andrew Pinfield | Director | 28 Oct 2014 | 21 Jan 2016 | British | 54 years |
| Annabel Susan Graham | Secretary | 14 Nov 2005 | 1 Sept 2006 | British | - |
| Carlotta Talbot | Director | 19 Jan 2010 | 4 Apr 2014 | British. | 55 years |
| Christian James Mathews | Director | 1 Apr 2008 | 10 Aug 2009 | British | 52 years |
| Christopher Stephen Bates | Director | 1 Apr 2008 | 19 Jan 2010 | British | 56 years |
| Claire Elizabeth Morin | Director | 30 Sept 2018 | 10 Oct 2022 | British | 47 years |
| Daksheshkumar Bhupendrakumar Patel | Director | 1 Dec 1993 | 29 Aug 1997 | British | 65 years |
| Duncan Adam Jones | Director | 25 Feb 1999 | 1 Oct 2004 | British | 59 years |
| Gillian Margaret Cattell | Director | 26 Jul 2021 | 24 Apr 2025 | British | 48 years |
| Grahame Stewart Young | Director | 21 Jan 2016 | 30 Sept 2018 | British | 64 years |
| Harry Mccrea Roome | Director | 17 Jan 2000 | 26 Apr 2000 | British | 71 years |
| Haydon Yates | Director | 1 Dec 1993 | 9 Jul 1997 | British | 73 years |
| James Keith Haslett | Director | 29 Aug 1997 | 31 Jul 1999 | British | 72 years |
| James Michael Goddard | Director | 26 Apr 2000 | 5 Mar 2004 | British | 66 years |
| John Fraser Greenshields | Director | 5 Mar 2004 | 1 Oct 2004 | British | 55 years |
| John Henry Edmund Wells | Director | 29 May 1997 | 31 Jul 1999 | British | 67 years |
| John Martin Rushton-turner | Director | 1 Jan 1999 | 31 Jul 1999 | British | 60 years |
| Malcolm David Smith | Director | 1 Oct 1992 | 15 Jan 1998 | British | 76 years |
| Malcolm Ian Cameron | Director | 1 Jan 1999 | 26 Apr 2000 | British | 84 years |
| Marcos Castro | Secretary | 1 Sept 2006 | 1 Aug 2008 | Other | - |
| Marina Louise Thomas | Secretary | 21 May 2004 | 18 Nov 2005 | British | - |
| Mark Patrick Wood | Director | 28 Oct 2014 | 25 Jan 2016 | British | 57 years |
| Neal St John Moy | Director | 1 Feb 2005 | 31 Dec 2008 | British | 58 years |
| Neil Stephen Coulbeck | Director | 29 May 1997 | 9 Jul 1997 | British | 73 years |
| Paul Carpenter | Director | 4 Oct 2001 | 15 Feb 2007 | British | 69 years |
| Paul Denzil John Sullivan | Director | 19 Jan 2010 | 22 Oct 2014 | British | 59 years |
| Paul Eugene Bartlett | Secretary | 18 Feb 1999 | 21 May 2004 | British | - |
| Paul Richard Aubery | Director | 29 Mar 2007 | 18 Jan 2010 | British | 61 years |
| Paul Vincent Taylor | Director | 1 Jan 1999 | 16 Dec 1999 | British | 63 years |
| Peter Trevor Godfrey Phillips | Director | 1 Oct 1992 | 19 Feb 1993 | British | 81 years |
| Rachel Elizabeth Butlin | Secretary | 1 Oct 1992 | 17 Dec 1992 | British | - |
| Rachel Elizabeth Fletcher | Secretary | 1 Aug 2008 | 27 Apr 2012 | British | - |
| Robert Hough | Director | 4 Oct 2001 | 10 Sept 2002 | British | 70 years |
| Sally Elizabeth Lewis | Secretary | 17 Dec 1992 | 18 Feb 1999 | British | - |
| Simon Jeremy Collins | Director | 29 May 1997 | 30 Jan 1998 | British | 65 years |
| Simon Timothy Pattinson | Director | 1 Apr 2008 | 19 Jan 2010 | British | 58 years |
| Stephen Brian Eighteen | Director | 2 Oct 2004 | 19 Jan 2010 | British | 67 years |
| Steven James Roulston | Director | 8 Apr 2019 | 26 Nov 2019 | British | 48 years |
| Steven James Spence | Director | 26 Nov 2019 | 26 Jul 2021 | British | 48 years |
| Timothy John Donald Boag | Director | 1 Jan 1999 | 30 Nov 2006 | British | 61 years |
| Trevor Vaughan Castledine | Director | 2 Oct 2004 | 30 Oct 2008 | British | 56 years |