| Alan Arthur Prigmore | Director | 31 Jul 2004 | 11 Feb 2005 | British | 77 years |
| Andrew Martyn Lawley | Director | 1 Nov 2011 | 31 Mar 2013 | British | 67 years |
| Andrew Simon Williams | Director | 27 Sept 2009 | 31 Oct 2011 | Welsh | 62 years |
| Anne Fillis | Director | 25 Jan 2010 | 1 Jul 2010 | British | 62 years |
| Asset Management Solutions Limited | Corporate Secretary | 18 Oct 2011 | 30 Apr 2015 | United Kingdom | - |
| Bruce Balfour | Director | 11 Mar 2009 | 11 Sept 2009 | British | 63 years |
| Carl Harvey Dix | Director | 28 Jun 2007 | 18 Oct 2011 | British | 60 years |
| Carole Ann Reed | Director | 24 Sept 2007 | 30 Jun 2011 | British | 63 years |
| Charlotte Sophie Ellen Douglass | Director | 1 Aug 2017 | 12 Sept 2024 | British | 48 years |
| Christopher James Bradshaw | Director | 5 Dec 2003 | 26 Oct 2006 | British | 73 years |
| Clare Sheridan | Secretary | 1 May 2015 | 31 Mar 2018 | - | - |
| Daniel Marinus Maria Vermeer | Director | 24 Apr 2018 | 1 Nov 2022 | Dutch | 45 years |
| David George Lane | Director | 1 Jan 2011 | 18 Oct 2011 | British | 59 years |
| David John Morice Hartshorne | Director | 3 Sept 2003 | 31 Jul 2004 | British | 72 years |
| Dws Directors Limited | Corporate Nominee Director | 11 Apr 2003 | 3 Sept 2003 | - | - |
| Dws Secretaries Limited | Corporate Nominee Secretary | 11 Apr 2003 | 15 Jan 2004 | - | - |
| Elaine Ee Leng Siew | Director | 29 Aug 2024 | 22 Oct 2025 | British | 59 years |
| Gavin William Mackinlay | Director | 2 Aug 2013 | 22 May 2019 | British | 69 years |
| Hugh William Robinson | Director | 12 Sept 2024 | 9 Dec 2024 | British | 48 years |
| Ian Joseph Wells | Director | 14 Jan 2004 | 10 Dec 2007 | British | 75 years |
| James Bawn | Director | 7 Nov 2023 | 19 Feb 2024 | British | 50 years |
| James Derek Wood | Director | 21 Oct 2011 | 24 Sept 2013 | British | 65 years |
| Jennifer Louise Crouch | Director | 29 Feb 2016 | 1 Aug 2017 | British | 39 years |
| John Charles Cassidy | Director | 29 Nov 2005 | 12 May 2009 | British | 62 years |
| John Edward Haan | Director | 14 Aug 2012 | 29 Feb 2016 | British | 48 years |
| Jonathan Nigel Dicken | Director | 1 May 2009 | 31 Oct 2011 | British | 62 years |
| Julian Denzil Sutcliffe | Director | 22 May 2019 | 12 Sept 2025 | British | 58 years |
| Maria Bernadette Lewis | Secretary | 1 Mar 2009 | 18 Oct 2011 | British | - |
| Mark William Grinonneau | Director | 18 Jun 2015 | 9 Nov 2023 | British | 56 years |
| Matthew Graham Hartland | Director | 20 Jun 2022 | 30 Aug 2024 | British | 55 years |
| Michael Gordon Heath | Director | 5 Dec 2003 | 31 Dec 2010 | British | 77 years |
| Michael James Findlay | Director | 29 Nov 2005 | 11 Mar 2009 | British | 56 years |
| Michael William Smith | Director | 3 Sept 2003 | 23 Jan 2006 | British | 65 years |
| Peter Geoffrey Shell | Secretary | 15 Jan 2004 | 23 Mar 2007 | British | - |
| Peter John Sheldrake | Director | 18 Oct 2011 | 23 Apr 2018 | British | 67 years |
| Peter Jones | Director | 22 Feb 2007 | 27 Sept 2009 | British | 74 years |
| Richard David Price | Director | 15 Sept 2005 | 1 May 2009 | British | 57 years |
| Richard John Coates | Director | 18 Oct 2017 | 19 Oct 2017 | British | 60 years |
| Richard John Coates | Director | 1 Oct 2018 | 8 Oct 2018 | British | 60 years |
| Roger Keith Miller | Secretary | 23 Mar 2007 | 1 Mar 2009 | British | - |
| Rory William Christie | Director | 18 Oct 2011 | 2 Aug 2013 | British | 68 years |
| Sarah Anne Raper | Director | 1 Jan 2011 | 31 Mar 2013 | British | 62 years |
| Sarah Anne Raper | Director | 1 Jan 2011 | 31 Mar 2013 | British | 62 years |
| Sarah Anne Raper | Director | 31 Mar 2013 | 16 Sept 2013 | British | 62 years |
| Sean Latus | Director | 29 Nov 2005 | 29 Jun 2007 | British | 57 years |
| Simon David Green | Director | 18 Oct 2011 | 1 Feb 2016 | British | 49 years |
| Simon Francis Murphy | Director | 1 Nov 2005 | 31 Mar 2013 | British | 64 years |
| Simon John Barnes | Director | 16 Sept 2013 | 18 Jun 2015 | British | 58 years |
| Thomas John Evans | Director | 1 Nov 2005 | 31 Dec 2010 | British | 89 years |