| Adrian Michael De Souza | Secretary | 1 Nov 2010 | 20 Apr 2015 | British | - |
| Alison Jane Carnwath | Director | 1 Sept 2004 | 12 Jul 2018 | British | 72 years |
| Andrew Elliott Macfarlane | Director | 5 Jul 2002 | 5 Aug 2005 | British | 69 years |
| Aubrey Mark Collins | Director | 20 Nov 2002 | 19 Oct 2006 | British | 69 years |
| Bo Ake Lerenius | Director | 1 Jun 2004 | 21 Jul 2011 | Swedish | 79 years |
| Christopher Bland | Director | 1 Apr 2008 | 21 Jul 2011 | British | 87 years |
| Christopher John Bartram | Director | 1 Aug 2009 | 31 Mar 2020 | British | 76 years |
| Colette O'shea | Director | 1 Jan 2018 | 30 Sept 2022 | British | 57 years |
| Cressida Mary Hogg | Director | 1 Jan 2014 | 16 May 2023 | British | 56 years |
| David Rough | Director | 5 Jul 2002 | 18 Jul 2014 | British | 74 years |
| Edward Henry Bonham Carter | Director | 1 Jan 2014 | 11 Jul 2024 | British | 65 years |
| Elizabeth Miles | Secretary | 31 Dec 2020 | 25 May 2022 | - | - |
| Francis William Salway | Director | 5 Jul 2002 | 31 Mar 2012 | British | 68 years |
| Giles Ian Henderson | Director | 5 Jul 2002 | 20 Nov 2002 | British | 83 years |
| Hackwood Directors Limited | Corporate Nominee Director | 7 Feb 2002 | 5 Jul 2002 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Director | 7 Feb 2002 | 5 Jul 2002 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 7 Feb 2002 | 5 Jul 2002 | United Kingdom | - |
| Ian David Ellis | Director | 20 Nov 2002 | 12 Jan 2009 | British | 70 years |
| Ian James Henderson | Director | 5 Jul 2002 | 14 Jul 2004 | United Kingdom | 82 years |
| Kevin O'byrne | Director | 1 Apr 2008 | 27 Sept 2017 | Irish | 61 years |
| Madeleine Elizabeth Cosgrave | Director | 1 Jan 2019 | 10 Jul 2025 | British | 58 years |
| Martin Frederick Greenslade | Director | 6 Sept 2005 | 31 May 2021 | British | 60 years |
| Michael Arnaouti | Secretary | 20 Apr 2015 | 7 Sept 2015 | - | - |
| Michael Richard Hussey | Director | 30 Sept 2004 | 30 Jun 2009 | British | 60 years |
| Nicholas Theodore Cadbury | Director | 1 Jan 2017 | 31 Dec 2023 | British | 59 years |
| Paul Myners | Director | 1 Sept 2006 | 3 Oct 2008 | British | 77 years |
| Peter Geoffrey Freeman | Director | 5 Jul 2002 | 14 Jul 2004 | British | 70 years |
| Peter Gibbs Birch | Director | 5 Jul 2002 | 1 Jan 2007 | British | 88 years |
| Peter Maxwell Dudgeon | Secretary | 5 Jul 2002 | 1 Nov 2010 | British | - |
| Richard John Akers | Director | 17 May 2005 | 31 Mar 2014 | English | 64 years |
| Richard Neil Haythornthwaite | Director | 1 Apr 2008 | 5 Feb 2009 | British | 69 years |
| Robert Montague Noel | Director | 1 Jan 2010 | 31 Mar 2020 | British | 61 years |
| Scott Cameron Parsons | Director | 1 Jan 2018 | 26 Feb 2019 | British | 56 years |
| Simon Dan Palley | Director | 1 Aug 2010 | 31 Mar 2019 | British | 68 years |
| Stacey Rauch | Director | 1 Jan 2012 | 24 Jun 2021 | American | 67 years |
| Stuart Alan Ransom Rose | Director | 21 May 2003 | 1 Jan 2014 | British | 76 years |
| Timothy John Ashby | Secretary | 7 Sept 2015 | 31 Dec 2020 | - | - |
| Winfried Franz Wilhelm Bischoff | Director | 5 Jul 2002 | 1 Apr 2008 | German/british | 84 years |