| Alistair William Dixon | Director | 29 May 2001 | 26 Sept 2003 | British | 68 years |
| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 22 Feb 2001 | 29 May 2001 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 22 Feb 2001 | 29 May 2001 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 22 Feb 2001 | 29 May 2001 | - | - |
| Andrew Rolland Cunningham | Director | 26 Sept 2003 | 31 Dec 2015 | British | 70 years |
| David Michael Brush | Director | 29 May 2001 | 26 Sept 2003 | American | 66 years |
| Geoffrey Joseph Davis | Secretary | 29 May 2001 | 3 Jul 2003 | British | - |
| Helen Christine Gordon | Director | 31 Dec 2015 | 5 Dec 2022 | British | 67 years |
| Marie Louise Glanville | Secretary | 3 Jul 2003 | 18 Dec 2008 | English | - |
| Mark Greenwood | Director | 29 Nov 2010 | 22 Dec 2015 | British | 67 years |
| Michael Patrick Windle | Secretary | 18 Dec 2008 | 4 Mar 2016 | British | - |
| Michael Patrick Windle | Director | 26 Jan 2004 | 14 Jan 2005 | British | 72 years |
| Nicholas Mark Fletcher Jopling | Director | 29 Nov 2010 | 20 Dec 2017 | British | 65 years |
| Nicholas Peter On | Director | 23 Jan 2009 | 30 Sept 2016 | British | 63 years |
| Peter Quentin Patrick Couch | Director | 29 Nov 2010 | 31 Jan 2014 | British | 68 years |
| Robert Jan Hudson | Director | 25 Mar 2022 | 5 Dec 2022 | British | 53 years |
| Rupert Jerome Dickinson | Director | 29 May 2001 | 20 Oct 2009 | British | 67 years |
| Sean Anthony Slade | Director | 5 May 2004 | 12 Nov 2004 | British | 62 years |
| Stephen Dickinson | Director | 29 May 2001 | 5 May 2004 | British | 92 years |
| Vanessa Kate Simms | Director | 11 Feb 2016 | 26 Apr 2021 | British | 51 years |
