| Adrian John Lewis | Director | 31 Oct 2020 | 24 May 2023 | British | 47 years |
| Adrian Ross Thomas Marsh | Director | 21 Jul 1997 | 30 Jun 1999 | British | 60 years |
| Alison Barbara Phillips | Director | 27 Jun 2007 | 18 Dec 2014 | British | 62 years |
| Alison Jane Clarke | Director | 5 Feb 2016 | 18 Jun 2018 | British | 59 years |
| Amanda Brooks | Director | 30 Jun 1999 | 31 Mar 2007 | British | 61 years |
| Anton Clive Jeary | Director | 14 Jul 2008 | 4 Jul 2019 | British | 69 years |
| Barry Robert Bull | Director | 15 Mar 1992 | 31 May 1995 | British | 80 years |
| Bertrand Mallet | Director | 19 Oct 2015 | 29 Jan 2021 | French | 54 years |
| Charles Duckworth | Director | 30 Sept 1997 | 10 Mar 1999 | British | 68 years |
| Christopher Frank Parker | Director | 18 Oct 1999 | 31 Jan 2013 | British | 67 years |
| Christopher Mark Davies | Director | 6 Jan 2014 | 21 Apr 2017 | British | 56 years |
| Dale Francis Butcher | Director | 2 May 2001 | 30 Jun 2011 | British | 71 years |
| Gavin David Robertson | Director | 16 Aug 2007 | 1 Oct 2011 | British | 60 years |
| James Martin Long | Director | 15 Mar 1992 | 30 Sept 1997 | British | 71 years |
| Judith Mary West | Director | 11 Aug 2000 | 9 Oct 2000 | British | 70 years |
| Julia Margaret Casson | Secretary | 15 Mar 1992 | 30 Jun 1999 | British | - |
| Katherine Jane Milliken | Director | 31 Jul 2012 | 10 Jan 2013 | British | 53 years |
| Kathryn Isabel Mecklenburgh | Director | 18 Jun 2018 | 31 Oct 2020 | British | 53 years |
| Kelly Fielding | Director | 11 Aug 2000 | 9 Oct 2000 | British | 70 years |
| Kelly Fielding | Director | 16 Aug 2007 | 23 Apr 2008 | British | 70 years |
| Kelly Fielding | Secretary | 19 Oct 1999 | 23 Apr 2008 | British | - |
| Mark Nicholas Thomas | Director | 31 Oct 2013 | 16 Oct 2015 | British | 47 years |
| Martin Peter Wheatley | Director | 14 Jul 2008 | 30 Jun 2022 | British | 67 years |
| Martyn Robert Smith | Director | 15 Oct 1993 | 30 Jun 1999 | British | 71 years |
| Michael Jonathan Bowers | Director | 5 Feb 2016 | 1 Apr 2025 | British | 59 years |
| Nicholas Peter Smith | Director | 1 Apr 2003 | 10 Jan 2007 | British | 65 years |
| Paul Anthony Hewitt Wallwork | Director | 30 Jun 1999 | 24 Apr 2002 | British | 64 years |
| Paul Anthony James | Director | 1 Oct 2011 | 3 Jan 2014 | British | 59 years |
| Paul Timothy Coleman Brooks | Director | 12 May 1995 | 6 Jun 1995 | British | 73 years |
| Penelope Claire Chapman | Director | 1 Jun 2007 | 31 Jul 2012 | British | 59 years |
| Peter Samuel Wilson | Director | 2 May 2001 | 31 Oct 2007 | British | 72 years |
| Richard David James | Director | 11 Dec 1996 | 2 May 1997 | British | 62 years |
| Roy Charles Williams | Director | 15 Mar 1992 | 30 Jun 2007 | British | 79 years |
| Roy Charles Williams | Secretary | 30 Jun 1999 | 19 Oct 1999 | British | - |
| Stephen John King | Director | 15 Mar 1992 | 7 Sept 1993 | British | 77 years |
| Thomas Andrew Dale | Director | 4 Jul 2019 | 29 Jan 2020 | British | 40 years |
| Tony George | Director | 1 Feb 2007 | 14 May 2015 | British | 62 years |
| Ulyana Holovenko | Director | 18 Dec 2007 | 16 Feb 2009 | Russian | 56 years |