| Adrian Paul Bedingham | Director | 27 Sept 1994 | 19 Nov 1998 | British | 63 years |
| Alastair Andrew Macleod | Director | 18 Apr 1993 | 22 Dec 2000 | British | 62 years |
| Alison Clare Bibby | Director | 3 May 2012 | 13 Jul 2021 | British | 60 years |
| Andreas Stylianou | Director | 18 Apr 1992 | 26 Aug 1992 | British | 84 years |
| Audrey Irene Hale | Director | 18 Apr 1992 | 30 Jun 1993 | British | 79 years |
| Averina Anita Snow | Director | 19 Oct 2006 | 1 Oct 2012 | British | 70 years |
| Barbara Anne Mcall | Director | 17 Dec 2009 | 3 May 2012 | British | 55 years |
| Beverley Carol Le Cuirot | Director | 5 Jan 1999 | 6 May 2003 | British | 68 years |
| Charles Bennett Brown | Director | 1 Sept 2005 | 30 Sept 2006 | British | 60 years |
| Colin Finlayson | Director | 31 Mar 2000 | 23 Dec 2000 | British | 67 years |
| Darren Paul Ellis | Director | 24 Feb 2021 | 16 Oct 2023 | British | 47 years |
| David John Brimacombe | Director | 19 Mar 2003 | 1 Sept 2005 | British | 68 years |
| Deborah Harvey | Director | 8 Feb 1999 | 3 Aug 2001 | British | 58 years |
| Deborah Harvey | Director | 3 Aug 2001 | 19 Sept 2003 | British | 58 years |
| Gaynor Jill Welch | Director | 18 Apr 1992 | 21 Apr 1995 | British | 70 years |
| Gaynor Jill Welch | Secretary | 18 Apr 1992 | 21 Apr 1995 | British | - |
| Gordon Andrew Bentley | Director | 21 Apr 1995 | 16 Apr 1997 | British | 67 years |
| Gordon Andrew Bentley | Director | 1 Dec 2000 | 19 Mar 2003 | British | 67 years |
| Gordon Andrew Bentley | Secretary | 21 Apr 1995 | 16 Apr 1997 | British | - |
| Ian Lawrence Sayers | Director | 16 Apr 1997 | 26 Jun 1998 | British | 64 years |
| Ian Lawrence Sayers | Secretary | 16 Apr 1997 | 23 Jun 1998 | British | - |
| James Wallace Davey | Director | 1 Mar 1993 | 27 Sept 1994 | British | 83 years |
| Jane Wyles | Director | 5 Feb 1997 | 22 Dec 2000 | British | 59 years |
| Janet Ada Priscilla Chandler | Director | 1 Mar 1993 | 24 Jan 2000 | British | 71 years |
| Janet Lorraine Fowler | Director | 31 Mar 2000 | 22 Dec 2000 | British | 67 years |
| Jean Eva Larnder | Director | 5 Jan 1999 | 22 Dec 2000 | British | 71 years |
| John Gerard Deasy | Director | 5 Feb 1997 | 31 Mar 2000 | British | 58 years |
| Julie Bamford | Director | 19 Sept 2003 | 31 Dec 2009 | British | 70 years |
| Kathleen Maria Ransom | Director | 18 Apr 1992 | 26 Mar 1993 | British | 71 years |
| Kim Laws | Director | 6 Sept 1993 | 31 Mar 2000 | British | 68 years |
| Krishnakumar Narayanan Trichur | Director | 1 Oct 2012 | 13 Oct 2014 | Indian | 61 years |
| Lorraine Elizabeth Young | Director | 26 Jun 1998 | 3 Aug 2001 | British | 64 years |
| Malcolm David John Webster | Director | 18 Apr 1992 | 26 Mar 1993 | British | 81 years |
| Martin Heathcote Hayman | Director | 18 Apr 1992 | 1 Dec 2000 | British | 84 years |
| Michael John Snelling | Director | 18 Apr 1992 | 9 Nov 1992 | British | 78 years |
| Michelle Amey | Director | 3 May 2012 | 23 Jan 2020 | British | 59 years |
| Patricia Joan Ann Westrup | Director | 12 Nov 1992 | 19 Jul 1995 | British | 81 years |
| Paul Nicholas Jennings | Director | 19 Jul 1995 | 28 Jan 1997 | British | 68 years |
| Paul Stuart Chambers | Director | 1 Oct 2012 | 24 Feb 2021 | British | 59 years |
| Sandeep Kumar Jain | Director | 11 May 2007 | 1 Oct 2012 | Indian | 63 years |
| Tamsin Hooton | Director | 13 Jul 2021 | 10 Mar 2023 | British | 49 years |
| Terry Charles Skippen | Director | 3 Aug 2001 | 3 May 2012 | British | 74 years |
| Terry Charles Skippen | Secretary | 23 Jun 1998 | 6 Feb 2008 | British | - |
| Tim Lord | Director | 13 Oct 2014 | 19 Aug 2016 | British | 64 years |