| Alan James Harris Stewart | Director | 28 Oct 2010 | 10 Jul 2014 | British | 66 years |
| Alan James Mcwalter | Director | 21 Jan 2002 | 10 Jul 2002 | British | 73 years |
| Alison Clare Reed | Director | 21 Jan 2002 | 30 Apr 2005 | British | 70 years |
| Alison Jane Brittain | Director | 1 Jan 2014 | 3 Jul 2020 | British | 61 years |
| Amanda Mellor | Secretary | 9 Jul 2009 | 1 Feb 2019 | British | - |
| Andrew Gareth Ryde | Director | 3 Aug 2001 | 21 Jan 2002 | British | 62 years |
| Andrew Nigel Halford | Director | 1 Jan 2013 | 31 Dec 2022 | British | 67 years |
| Andrew Raymond Fisher | Director | 1 Dec 2015 | 2 Jul 2024 | British | 57 years |
| Anthony Frank Elliott Ball | Director | 21 Jan 2002 | 4 Sept 2002 | British | 71 years |
| Anthony John Habgood | Director | 15 Jul 2004 | 30 Aug 2005 | British | 80 years |
| Barbara Cassani | Director | 1 Oct 2003 | 30 Apr 2004 | Usa | 66 years |
| Brian Ford Baldock | Director | 21 Jan 2002 | 14 Jul 2004 | British | 92 years |
| Charles Wilson | Director | 31 May 2004 | 28 Oct 2005 | British | 61 years |
| David Jeremy Darroch | Director | 1 Feb 2006 | 19 Jun 2013 | British | 64 years |
| David Michael Charles Michels | Director | 1 Mar 2006 | 29 Feb 2012 | British | 80 years |
| David Ronald Norgrove | Director | 21 Jan 2002 | 31 Mar 2004 | British | 78 years |
| Drusilla Charlotte Jane Rowe | Nominee Director | 23 Jul 2001 | 3 Aug 2001 | British | 65 years |
| Eleanor Jane Zuercher | Nominee Director | 23 Jul 2001 | 3 Aug 2001 | British | 63 years |
| Eoin Philip Tonge | Director | 8 Jun 2020 | 9 Dec 2022 | Irish | 54 years |
| Graham John Oakley | Secretary | 21 Jan 2002 | 8 Jul 2009 | British | - |
| Helen Alison Weir | Director | 1 Apr 2015 | 31 Mar 2018 | British | 64 years |
| Humphrey Stewart Morgan Singer | Director | 9 Jul 2018 | 31 Dec 2019 | British | 61 years |
| Ian Dyson | Director | 27 Jun 2005 | 14 Jul 2010 | British | 64 years |
| Jan Petrus Du Plessis | Director | 1 Nov 2008 | 4 Mar 2015 | British And South African | 72 years |
| John Kevin Lomax | Director | 21 Jan 2002 | 31 Aug 2006 | British | 78 years |
| John Michael Joseph Keenan | Director | 21 Jan 2002 | 10 Jul 2007 | American | 90 years |
| John William Dixon | Director | 9 Sept 2009 | 16 Jul 2015 | British | 58 years |
| Justin King | Director | 1 Jan 2019 | 10 Sept 2025 | British | 65 years |
| Justin Matthew King | Director | 1 Sept 2002 | 19 Nov 2003 | British | 65 years |
| Kate Bostock | Director | 10 Mar 2008 | 30 Sept 2012 | British | 70 years |
| Katie Bickerstaffe | Director | 10 Jul 2018 | 3 Jul 2020 | British | 59 years |
| Katie Bickerstaffe | Director | 25 May 2022 | 2 Jul 2024 | British | 59 years |
| Laura Katharine Wade-gery | Director | 4 Jul 2011 | 12 Sept 2016 | British | 61 years |
| Laurel Claire Powers-freeling | Director | 21 Jan 2002 | 9 Nov 2004 | British | 69 years |
| Louise Alexandra Virginia Charlotte Patten | Director | 1 Feb 2006 | 13 Jul 2011 | British | 72 years |
| Luc Emile Vandevelde | Director | 21 Jan 2002 | 31 May 2004 | Belgian | 75 years |
| Manvinder Singh Banga | Director | 1 Sept 2011 | 1 Oct 2018 | Indian | 72 years |
| Marc Bolland | Director | 1 May 2010 | 2 Apr 2016 | Dutch | 67 years |
| Mark David Mckeon | Director | 5 Apr 2004 | 9 Nov 2004 | British | 68 years |
| Martha Lane Fox | Director | 1 Jun 2007 | 2 Apr 2016 | British | 53 years |
| Maurice Harold Helfgott | Director | 19 Nov 2003 | 9 Nov 2004 | British | 59 years |
| Melissa Katherine Andrewes | Director | 3 Aug 2001 | 21 Jan 2002 | British | 53 years |
| Miranda Curtis | Director | 1 Feb 2012 | 1 Feb 2018 | British | 71 years |
| Patrick Francois Bousquet-chavanne | Director | 10 Jul 2013 | 18 Apr 2018 | French | 68 years |
| Paul Myners | Director | 2 Apr 2002 | 11 Jul 2006 | British | 78 years |
| Pip Mccrostie | Director | 10 Jul 2018 | 24 Mar 2021 | New Zealander,british | 69 years |
| Richard Leslie Solomons | Director | 13 Apr 2015 | 10 Jul 2018 | British | 65 years |
| Robert William Ashburnham Swannell | Director | 4 Oct 2010 | 1 Sept 2017 | British | 76 years |
| Roger Anthony Holmes | Director | 21 Jan 2002 | 31 May 2004 | British | 66 years |
| Stella Rimington | Director | 21 Jan 2002 | 14 Jul 2004 | British | 91 years |
| Stephen Joseph Rowe | Director | 1 Oct 2012 | 25 May 2022 | British | 59 years |
| Steven Derek Esom | Director | 10 Mar 2008 | 1 Jul 2008 | British | 66 years |
| Steven John Holliday | Director | 15 Jul 2004 | 8 Jul 2014 | British | 70 years |
| Steven Michael Sharp | Director | 8 Nov 2005 | 9 Jul 2013 | British | 76 years |
| Stuart Alan Ransom Rose | Director | 31 May 2004 | 4 Jan 2011 | British | 77 years |
| Terence Burns | Director | 1 Oct 2005 | 1 Jun 2008 | British | 82 years |
| Trusec Limited | Corporate Nominee Secretary | 23 Jul 2001 | 21 Jan 2002 | United Kingdom | - |
| Vittorio Radice | Director | 3 Mar 2003 | 11 Jun 2004 | Italian | 69 years |