| 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 | 31 Jul 2012 | 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 |
| Andrew Ross Mitchell | Director | 1 Jul 1993 | 26 Jul 1996 | British | 74 years |
| Andrew Ross Mitchell | Secretary | 26 Jul 1996 | 25 Nov 1996 | British | - |
| 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 |
| David Macleod | Secretary | 1 Jul 1993 | 26 Jul 1996 | British | - |
| Duncan Arthur Speirs Maclaren | Director | 20 Sept 1988 | 28 Feb 1991 | British | - |
| Duncan Arthur Speirs Maclaren | Secretary | 20 Sept 1988 | 28 Feb 1991 | British | - |
| Duncan Whyte | Director | 26 Jul 1996 | 25 Nov 1996 | British | 80 years |
| Gavin David Robertson | Director | 16 Aug 2007 | 1 Oct 2011 | British | 60 years |
| Graham Burgher Aird Watt | Director | 28 Feb 1991 | 30 Jun 1993 | British | 89 years |
| Graham Burgher Aird Watt | Secretary | 28 Feb 1991 | 30 Jun 1993 | British | - |
| Iain Maury Campbell Meiklejohn | Nominee Director | 5 Sept 1988 | 20 Sept 1988 | British | 72 years |
| Iain Maury Campbell Meiklejohn | Nominee Secretary | 5 Sept 1988 | 20 Sept 1988 | British | - |
| Ian Mathieson Hamilton Preston | Director | 20 Sept 1988 | 28 Feb 1995 | British | 94 years |
| Ian Robinson | Director | 26 Jul 1996 | 25 Nov 1996 | British | 84 years |
| Ian Simon Macgregor Russell | Director | 1 Mar 1995 | 25 Nov 1996 | British | 73 years |
| James Martin Long | Director | 25 Nov 1996 | 30 Sept 1997 | British | 71 years |
| James Robert Will | Nominee Director | 5 Sept 1988 | 20 Sept 1988 | British | 71 years |
| Judith Mary West | Director | 11 Aug 2000 | 9 Oct 2000 | British | 70 years |
| 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 |
| Kenneth Leslie Vowles | Director | 26 Jul 1996 | 25 Nov 1996 | British | 84 years |
| Mark Nicholas Thomas | Director | 31 Oct 2013 | 16 Oct 2015 | British | 47 years |
| Martyn Robert Smith | Director | 25 Nov 1996 | 30 Jun 1999 | British | 71 years |
| Michael John Kinski | Director | 26 Jul 1996 | 25 Nov 1996 | British | 74 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 |
| 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 | 25 Nov 1996 | 2 May 1997 | British | 62 years |
| Roy Charles Williams | Director | 25 Nov 1996 | 30 Jun 2007 | British | 79 years |
| Tony George | Director | 22 Feb 2013 | 14 May 2015 | British | 62 years |