| Alain Gerard Edmond Bourguignon | Director | 1 Apr 2010 | 31 Mar 2014 | French | 67 years |
| Alan John Day | Director | 15 Oct 2001 | 1 Mar 2005 | British | 85 years |
| Christopher Mark Hudson | Director | 9 Oct 2015 | 1 Jan 2021 | British | 68 years |
| Colin Richard Jenkins | Director | 31 Dec 2007 | 30 Sept 2011 | British | 64 years |
| Daniel Craig King | Director | 13 Mar 2018 | 1 Jan 2021 | British | 47 years |
| David Kenneth Barrett | Director | 2 Jan 1998 | 12 Dec 2014 | British | 69 years |
| David Tidmarsh | Director | 18 Dec 1997 | 2 Jan 2001 | British | 81 years |
| Derek Christopher Casey | Director | 2 Jan 1998 | 31 Dec 2013 | British | 76 years |
| Francois Petry | Director | 1 Dec 2015 | 31 Dec 2018 | French | 60 years |
| George William Bolsover | Director | 2 Jan 2001 | 31 Mar 2010 | British | 76 years |
| James Alan Day | Director | 2 Jan 1998 | 1 Mar 2005 | British | 61 years |
| John Ferguson Bowater | Director | 1 Jan 2021 | 31 Dec 2022 | British | 77 years |
| John Hugh Armitage | Director | 14 Dec 2006 | 31 Dec 2007 | British | 80 years |
| Keith Barker | Secretary | 18 Dec 1997 | 6 Sept 2006 | British | - |
| Luke Raymond Smith | Director | 1 Jan 2015 | 13 Mar 2018 | British | 53 years |
| Mary Ford | Secretary | 6 Sept 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 |
| Patrick Robert Ward | Director | 1 Apr 2014 | 30 Nov 2015 | British | 66 years |
| Philip Roy Barltrop | Director | 18 Dec 1997 | 31 Dec 2006 | British | 71 years |
| Rutland Directors Limited | Corporate Nominee Director | 16 Jul 1997 | 18 Dec 1997 | United Kingdom | - |
| Rutland Secretaries Limited | Corporate Nominee Secretary | 16 Jul 1997 | 18 Dec 1997 | United Kingdom | - |