| Abbey Asubiaro | Director | 18 Feb 2003 | 5 Sept 2003 | British | 60 years |
| Adam David Christopher Westley | Director | 9 Aug 1999 | 27 Mar 2001 | British | 56 years |
| Alison Clare Bibby | Director | 20 Jun 2001 | 1 Nov 2007 | British | 59 years |
| Allison Jane Currie | Director | 1 Apr 2008 | 30 Mar 2010 | British | 47 years |
| Anne Christine Girling | Director | 15 May 1997 | 31 May 2000 | British | 61 years |
| Anthony Francis Williams | Director | 11 Apr 1992 | 4 Aug 1999 | British | 77 years |
| Brian Newton Thorpe | Director | 4 Jun 1996 | 30 Dec 1996 | British | 90 years |
| Carolyn Ann Ladd | Director | 8 Aug 2001 | 31 Oct 2003 | British | 52 years |
| Charlotte Louise Brehaut | Director | 1 Apr 2008 | 2 Feb 2012 | British | 49 years |
| Ciara Margaret Gilleece | Director | 4 Aug 1999 | 24 Jan 2003 | Irish | 56 years |
| Clare Frances Barrett | Director | 8 Oct 2003 | 1 Nov 2010 | British | 55 years |
| Clare Frances Barrett | Director | 15 Sept 2011 | 14 Jun 2017 | British | 55 years |
| Colin John Holmes | Director | 24 Jan 2012 | 25 Apr 2013 | British | 69 years |
| Colin Moir | Director | 8 Nov 1995 | 23 Oct 1998 | British | 71 years |
| David John Mark Blizzard | Director | 26 Apr 2004 | 16 Nov 2012 | British | 53 years |
| Deirdre Ann Parry | Director | 20 Nov 2000 | 2 Jul 2003 | Irish/british | 65 years |
| Emma Antonia Hunt | Director | 28 Aug 2012 | 15 Sept 2014 | British | 44 years |
| Emma Antonia Hunt | Director | 5 Nov 2015 | 28 Jul 2016 | British | 44 years |
| Emma Louise Johnson | Director | 31 Jul 2006 | 2 Sept 2009 | British | 48 years |
| Frances Julie Niven | Director | 15 May 2006 | 14 Mar 2011 | British | 55 years |
| Geoffrey Smith | Director | 20 Nov 2000 | 24 Sept 2004 | British | 77 years |
| Gillian Diane Marcus | Director | 17 Mar 2011 | 11 Oct 2011 | British | 65 years |
| Ian Craig Whyte | Director | 11 Apr 1992 | 25 Nov 1998 | British | 80 years |
| Ian Craig Whyte | Secretary | 23 Aug 1995 | 6 Oct 1998 | British | - |
| Ines Lucia Watson | Director | 17 Feb 2014 | 23 Dec 2016 | British | 65 years |
| John Michael David Atterbury | Director | 11 Apr 1992 | 13 Jun 1995 | British | 90 years |
| John Michael Mills | Director | 21 Jun 1996 | 31 Jan 2000 | British | 61 years |
| Kathryn Silverwood | Director | 27 May 2004 | 13 Dec 2005 | British | 58 years |
| Kelly Jane Hack | Director | 10 Jun 2014 | 16 Oct 2015 | British | 50 years |
| Lisa Margaret Norton | Director | 29 Jan 2013 | 11 Aug 2017 | British | 42 years |
| Lynsey Marie Burton | Director | 7 Apr 2010 | 11 Mar 2011 | British | 45 years |
| Lynsey Marie Burton | Director | 6 Mar 2012 | 24 Oct 2016 | British | 45 years |
| Marc James Gregory | Director | 30 Nov 2010 | 28 May 2012 | British | 62 years |
| Marie Smith | Director | 23 Mar 2005 | 16 Jun 2017 | British | 55 years |
| Mark Edwards | Director | 18 Feb 2003 | 3 Sept 2003 | British | 69 years |
| Merryl Cassidy | Nominee Director | 11 Apr 1992 | 29 Sept 1995 | British | 86 years |
| Michelle Amey | Director | 8 Oct 2003 | 17 May 2006 | British | 58 years |
| Michelle Anne Hill | Director | 13 Dec 2007 | 3 Jun 2010 | British | 48 years |
| Michelle Louise Holt | Director | 1 Aug 2013 | 31 May 2018 | British | 41 years |
| Natalie Cathlyn Weedon | Director | 11 Jan 2007 | 27 Nov 2009 | British | 48 years |
| Olubunmi Williams | Director | 13 Dec 2010 | 6 Jan 2014 | Nigerian | 58 years |
| Patrick Anthony Gonsalves | Director | 31 May 2000 | 23 Dec 2016 | British | 64 years |
| Rebecca Anne Potts | Director | 6 Jan 2006 | 16 Nov 2007 | British | 50 years |
| Rebecca Anne Potts | Director | 24 Mar 2009 | 31 Mar 2011 | British | 50 years |
| Ronald David Henry Ainsworth | Director | 11 Apr 1992 | 7 Oct 1996 | British | 85 years |
| Rosamund Martha Rule | Director | 1 Jan 2013 | 1 Jan 2014 | British | 44 years |
| Rosamund Martha Rule | Director | 30 Mar 2015 | 16 Aug 2016 | British | 44 years |
| Samantha Jayne Driver | Director | 14 Oct 2014 | 14 May 2015 | Irish | 60 years |
| Sarah Elizabeth Sanders | Director | 21 Aug 2003 | 30 Dec 2005 | British | 68 years |
| Sarah Jane Waine | Director | 3 Jul 2000 | 18 Jul 2003 | British | 62 years |
| Simon Mark Pordage | Director | 18 Feb 2003 | 23 Dec 2004 | British | 49 years |
| Spenta Magol | Director | 1 Sept 2008 | 28 Mar 2014 | British | 49 years |
| Stephen Paul Merry | Director | 11 Apr 1992 | 30 Jan 1997 | British | 67 years |
| Stephen Richard Page | Director | 26 Nov 1997 | 13 Mar 1998 | British | 65 years |
| Steven Robert Kilday | Director | 1 Sept 2008 | 28 Mar 2013 | British | 47 years |
| Taneth Washington | Director | 4 Sept 2015 | 1 Sept 2017 | British | 38 years |
| Tobias Henry Vero | Director | 26 Apr 2004 | 23 Mar 2006 | British | 49 years |
| Tracy Lorraine Allen | Director | 19 Sept 2012 | 5 Jun 2013 | British | 59 years |
| Trevor John Powell | Corporate Secretary | 11 Apr 1992 | 23 Aug 1995 | - | - |
| Trevor John Powell Hart | Director | 11 Apr 1992 | 20 Aug 1996 | British | 89 years |
| William Bentley Eborn | Director | 11 Apr 1992 | 19 Sept 1998 | British | 82 years |