| Alain Gerard Edmond Bourguignon | Director | 1 Apr 2010 | 1 Mar 2011 | French | 67 years |
| Barry Clive Morgan | Director | 30 Apr 1993 | 16 Mar 1998 | British | 85 years |
| Colin Richard Jenkins | Director | 2 Jan 2001 | 14 Mar 2003 | British | 64 years |
| Colin Richard Jenkins | Director | 31 Dec 2007 | 30 Sept 2011 | British | 64 years |
| David Tidmarsh | Director | 16 Mar 1998 | 2 Jan 2001 | British | 81 years |
| Digby Lord Jones Of Birmingham | Director | 30 Apr 1993 | 16 Mar 1998 | British | 71 years |
| Geoffrey Martin Shilton | Secretary | 30 Apr 1993 | 13 Aug 1998 | British | - |
| George William Bolsover | Director | 2 Jan 2001 | 31 Mar 2010 | British | 76 years |
| James West Atherton-ham | Director | 9 Oct 2015 | 30 Apr 2019 | British | 56 years |
| John Ferguson Bowater | Director | 1 Mar 2011 | 31 Dec 2022 | British | 77 years |
| John Hugh Armitage | Director | 14 Dec 2006 | 31 Dec 2007 | British | 80 years |
| Keith Barker | Secretary | 13 Aug 1998 | 31 Aug 2006 | British | - |
| Keith Harris | Director | 30 Apr 1993 | 16 Mar 1998 | British | 79 years |
| Mary Ford | Secretary | 31 Aug 2006 | 30 Mar 2012 | British | - |
| Michael Anthony Eberlin | Director | 1 Oct 2011 | 28 Feb 2013 | British | 64 years |
| Michael Paul Pearce | Director | 1 Feb 2013 | 9 Oct 2015 | British | 62 years |
| Murray James Douglas Lees | Director | 13 May 1993 | 16 Mar 1998 | British | 66 years |
| Paul Nigel Gibson | Director | 13 May 1993 | 16 Mar 1998 | British | 66 years |
| Philip Roy Barltrop | Director | 16 Mar 1998 | 31 Dec 2006 | British | 71 years |
| Rutland Directors Limited | Corporate Nominee Director | 22 Mar 1993 | 30 Apr 1993 | United Kingdom | - |
| Rutland Directors Limited | Corporate Nominee Secretary | 22 Mar 1993 | 30 Apr 1993 | United Kingdom | - |
| Terence Robert Last | Director | 16 Mar 1998 | 29 Dec 2000 | British | 76 years |