| Andrew John Baker | Director | 16 Jan 2014 | 25 Nov 2019 | British | 54 years |
| Andrew Richard Wilson | Director | 17 Jan 2011 | 3 Apr 2014 | British | 52 years |
| Anna Capitanio | Director | 30 Jun 2020 | 31 Jan 2023 | Italian | 60 years |
| Ashok Makanji | Director | 7 Jul 2004 | 7 Nov 2005 | British | 62 years |
| Ashok Makanji | Secretary | 1 May 2000 | 7 Nov 2005 | British | - |
| Beth-marie Rollinson-norbury | Director | 16 Oct 2023 | 27 Dec 2024 | British | 48 years |
| Branson Smith | Director | 23 Jul 2001 | 8 Oct 2003 | American | 70 years |
| Claire Louise Hall | Director | 13 Mar 2007 | 7 May 2008 | British | 52 years |
| Clare Sadlier | Director | 7 May 2008 | 15 Apr 2010 | British | 56 years |
| Corporate Administration Secretaries Limited | Corporate Nominee Secretary | 15 Nov 1996 | 15 Nov 1996 | United Kingdom | - |
| Corporate Administration Services Limited | Corporate Nominee Director | 15 Nov 1996 | 15 Nov 1996 | United Kingdom | - |
| Eric J Crown | Director | 3 Apr 1998 | 22 Sept 2003 | American | 64 years |
| Eustratios Scleparis | Director | 24 Jan 2007 | 31 Aug 2007 | British | 72 years |
| Gavin Echlin Patterson | Director | 24 Jan 2007 | 25 Jan 2008 | British | 59 years |
| Henry Anthony Vollmer | Director | 26 Nov 2008 | 16 Sept 2010 | British | 51 years |
| James Antony Ford | Director | 16 Sept 2010 | 16 Jan 2014 | British | 50 years |
| John Richard Martin Petter | Director | 8 Jan 2009 | 1 Sept 2017 | British | 56 years |
| Jonathan Paul Hurry | Director | 18 Sept 2007 | 29 Mar 2011 | British | 53 years |
| Kevin Donald Adams | Director | 7 Jul 2004 | 24 Jan 2007 | British | 71 years |
| Lee Andrew Strafford | Director | 12 Dec 1997 | 13 Mar 2007 | British | 54 years |
| Lee Andrew Strafford | Secretary | 13 Nov 1998 | 1 May 2000 | British | - |
| Marc David Allera | Director | 1 Sept 2017 | 11 Feb 2025 | British | 54 years |
| Matthew James Davies | Director | 15 Apr 2010 | 1 Sept 2017 | British | 49 years |
| Michael Gumbert | Director | 5 Jul 2000 | 23 Jul 2001 | American | 68 years |
| Michael Sherwin | Director | 7 Jul 2004 | 24 Jan 2007 | British | 67 years |
| Neil Keith Joseph Laycock | Director | 13 Mar 2007 | 31 Dec 2008 | British | 57 years |
| Neil Thomas Comer | Director | 7 Jul 2004 | 13 Mar 2007 | British | 67 years |
| Neil Thomas Comer | Secretary | 7 Nov 2005 | 24 Jan 2007 | British | - |
| Nicholas Simon Lott | Director | 26 Nov 1996 | 31 Jan 2000 | British | 53 years |
| Patricia Ann Dolman | Secretary | 15 Nov 1996 | 12 Nov 1998 | British | - |
| Paul Michael Cusack | Director | 15 Nov 1996 | 26 Jun 2000 | British | 60 years |
| Paula Smith | Director | 26 Apr 2016 | 30 Jun 2020 | British | 53 years |
| Peter Geoffrey Oliver | Director | 10 Dec 2019 | 30 Jun 2020 | British | 48 years |
| Richard Cameron | Director | 24 Jan 2007 | 9 Apr 2008 | British | 54 years |
| Robert Moya | Director | 22 Sept 2003 | 24 Jan 2007 | American | 82 years |
| Roland Barzegar | Director | 2 Jul 2014 | 5 Feb 2016 | British | 44 years |
| Samantha Rosemary Jane Booth | Director | 7 May 2008 | 27 Jul 2010 | British | 55 years |
| Samuel John Calvert | Director | 19 Mar 2020 | 30 Jun 2021 | New Zealander | 47 years |
| Simon John Curry | Director | 8 Apr 2010 | 16 Sept 2010 | British | 60 years |
| Stanley Laybourne | Director | 3 Apr 1998 | 7 Jul 2004 | American | 77 years |
| Timothy Crown | Director | 3 Apr 1998 | 7 Jul 2004 | American | 62 years |