| Alyson Leslie Dawn Walker | Director | 17 Mar 1997 | 1 Sept 1999 | British | - |
| Andrew Robert Clark | Director | 1 Sept 1999 | 13 Jan 2003 | British | 66 years |
| Andrew Stephen Gibbons | Director | 23 Mar 2017 | 31 Jul 2019 | British | 61 years |
| Anthony Albert Manzi | Director | 19 Apr 1992 | 14 Apr 1998 | British | 72 years |
| Betty Ann Young-jones | Director | 2 Sept 1992 | 1 Nov 1993 | British | 74 years |
| Christopher Malcolm Horne | Director | 19 Apr 1992 | 1 Nov 1993 | British | 84 years |
| David Anthony Garland | Director | 26 Apr 2010 | 9 Sept 2011 | British | 69 years |
| David Ernest Leonard England | Director | 2 Sept 1992 | 14 Apr 1998 | British | 77 years |
| David William Smith | Director | 1 Oct 1994 | 11 Nov 1996 | British | 78 years |
| Deborah Phyllis Rapley | Director | 2 Sept 1992 | 1 Sept 1999 | British | 68 years |
| Debra Christine Giddings | Director | 11 Nov 1996 | 1 Sept 1999 | British | 64 years |
| Diane Mills | Director | 19 Apr 1992 | 15 Oct 1993 | British | 69 years |
| Eileen Bernadette Thompson | Director | 19 Apr 1992 | 14 Apr 1998 | British | 68 years |
| Fiona Mary Mackay | Secretary | 12 Sept 2016 | 24 Apr 2017 | - | - |
| Gloria Jayne Glennie | Secretary | 29 Sept 1998 | 1 Jun 1999 | British | - |
| Graham John Crossley | Director | 25 Oct 1993 | 15 Dec 1994 | British | 76 years |
| Ian Paul Fuller | Director | 19 Apr 1992 | 11 Nov 1996 | British | 72 years |
| James Wishart Alexander | Director | 19 Aug 2013 | 9 Jul 2015 | British | 51 years |
| John Ernest Cook | Director | 1 Apr 1993 | 14 Apr 1998 | British | 75 years |
| John Ringshall | Director | 19 Apr 1992 | 19 Dec 1994 | British | 85 years |
| Julia Davis | Director | 29 Oct 1993 | 1 Sept 1999 | British | 72 years |
| Mark Andrew Daryl House | Director | 8 Sept 2011 | 11 Jul 2013 | British | 54 years |
| Martin John Binks | Director | 1 Sept 1999 | 14 Feb 2000 | British | 72 years |
| Nigel Desmond Carter | Director | 14 Feb 2000 | 31 Jul 2009 | British | 60 years |
| Paul Ian Bradley | Director | 8 Jul 2015 | 1 Dec 2018 | British | 68 years |
| Peter Charles Baker | Director | 2 Sept 1992 | 2 Sept 1997 | British | 64 years |
| Peter Weatherley Watson | Director | 1 Sept 1999 | 1 Jul 2003 | British | 78 years |
| Philip Swan | Director | 11 Nov 1996 | 14 Apr 1998 | British | 68 years |
| Rebecca Maria Froud | Director | 8 Sept 2011 | 11 Jul 2013 | British | 57 years |
| Rex Anthony Goodall | Director | 2 Sept 1992 | 10 Dec 1992 | British | 78 years |
| Robert Dennis Ray | Director | 31 May 2012 | 30 Sept 2024 | British | 64 years |
| Robert Earl Stemmons | Director | 9 Sept 1996 | 14 Apr 1998 | Usa | 65 years |
| Ruth Nicholson | Secretary | 1 Jun 1999 | 13 Mar 2000 | British | - |
| Sally Anne Doyle | Secretary | 13 Mar 2000 | 12 Sept 2016 | British | - |
| Sally Jane Brown | Director | 1 Jul 2003 | 20 Dec 2006 | British | 66 years |
| Sally Jane Brown | Director | 31 Jul 2009 | 9 Sept 2011 | British | 66 years |
| Samantha Helen Linsley | Director | 9 Sept 1996 | 14 Apr 1998 | British | 59 years |
| Samantha Helen Linsley | Director | 9 Sept 1996 | 14 Apr 1998 | British | 59 years |
| Samantha Helen Linsley | Secretary | 9 Sept 1996 | 30 Sept 1998 | British | - |
| Samantha Helen Linsley | Secretary | 9 Sept 1996 | 30 Sept 1998 | British | - |
| Stephen Miles Ottewill | Director | 20 Dec 2006 | 31 May 2012 | British | 66 years |
| Stuart William Newey | Director | 13 Jan 2003 | 27 Apr 2010 | British | 61 years |
| Thomas Lack | Director | 11 Jul 2013 | 25 Apr 2014 | British | 57 years |
| Timothy John Lewis | Director | 19 Apr 1992 | 27 Sept 1996 | British | 82 years |
| Timothy John Lewis | Secretary | 19 Apr 1992 | 9 Sept 1996 | British | - |
| Yogesh Patel | Director | 23 May 2014 | 23 Mar 2017 | British | 49 years |
| Yogesh Patel | Director | 29 Oct 2018 | 16 Jul 2021 | British | 49 years |