| Adele Ann Abigail | Director | 7 Aug 2008 | 1 Oct 2009 | Irish | 53 years |
| Alistair Charles Walter Williams | Director | 1 May 2002 | 18 Apr 2003 | British | 63 years |
| Andrew Mark Smith | Director | 29 Jun 2009 | 29 Jun 2009 | British | 62 years |
| Andrew Mark Smith | Director | 29 Jun 2009 | 2 Feb 2012 | British | 62 years |
| Charles Dawson Coase | Director | 9 Aug 2005 | 31 Mar 2011 | British | 66 years |
| Christopher Richard Roff Marsh | Director | 17 Feb 2006 | 30 Sept 2007 | British | 58 years |
| Claire Elizabeth Matthews | Secretary | 2 Feb 2012 | 5 Jan 2018 | - | - |
| Clifford Chance Secretaries Limited | Corporate Nominee Secretary | 12 Jul 2001 | 20 Aug 2001 | United Kingdom | - |
| David Frederick Harlock | Director | 26 May 2016 | 1 Aug 2018 | British | 66 years |
| Gordon Newton Reid | Director | 20 Aug 2001 | 5 May 2003 | British | 58 years |
| John James Nicholls | Director | 1 Oct 2014 | 9 Mar 2018 | British | 64 years |
| John James Nicholls | Secretary | 15 Mar 2002 | 2 Feb 2012 | British | - |
| Jonathan Michael Guttridge | Secretary | 5 Jan 2018 | 20 Apr 2018 | - | - |
| Jose Alberto Ibeas Franco | Director | 16 Dec 2011 | 2 Feb 2012 | Spanish | 54 years |
| Keri Rozanne Simm | Director | 1 Mar 2010 | 4 Mar 2025 | British | 50 years |
| Martin Edgar Richards | Nominee Director | 12 Jul 2001 | 20 Aug 2001 | British | 83 years |
| Martin Stewart Saunders | Director | 20 Aug 2001 | 29 Jun 2007 | British | 66 years |
| Matthew John Lester | Director | 9 Aug 2005 | 31 Aug 2006 | British | 63 years |
| Matthew Robert Layton | Nominee Director | 12 Jul 2001 | 20 Aug 2001 | British | 65 years |
| Michael Christopher Flynn | Director | 9 Aug 2005 | 15 Jun 2008 | British | 69 years |
| Nandor Makos | Director | 27 Jul 2006 | 1 Aug 2014 | Hungarian | 62 years |
| Paul Derek Tunnacliffe | Director | 17 Jan 2008 | 30 Jun 2016 | British | 64 years |
| Paviter Singh Binning | Director | 19 Sept 2001 | 3 Oct 2003 | British | 66 years |
| Ravi Rajagopal | Director | 3 Oct 2003 | 9 Aug 2005 | British | 71 years |
| Richard Cummins | Director | 28 Feb 2022 | 21 Nov 2022 | British | 47 years |
| Robert Louis Sutherland | Director | 5 May 2003 | 28 Feb 2007 | British | 58 years |
| Roger Hugh Myddelton | Director | 19 Sept 2001 | 31 Mar 2003 | British | 84 years |
| Stephen John Bolton | Director | 1 Apr 2011 | 2 Feb 2012 | British | 64 years |
| Susan Jane Mellors | Director | 25 Mar 2011 | 31 Aug 2011 | British | 61 years |
| Susanne Margaret Bunn | Director | 19 Sept 2001 | 4 Jan 2008 | British | 67 years |
| Susanne Margaret Bunn | Secretary | 20 Aug 2001 | 15 Mar 2002 | British | - |
| Victoria Cooper | Secretary | 5 Nov 2015 | 23 Mar 2017 | - | - |