| Anthony Weir | Secretary | 17 Nov 2008 | 23 Mar 2009 | British | - |
| Barry John Price | Director | 18 Jan 2011 | 4 Apr 2012 | British | 82 years |
| Campbell Hair | Director | 6 Dec 2021 | 10 Aug 2022 | British | 63 years |
| Darren Michael Millington | Secretary | 31 Jan 2006 | 17 Nov 2008 | British | - |
| David Jonathan Powell | Director | 29 Jan 2021 | 26 Nov 2021 | Irish | 57 years |
| Glyn Owain Edwards | Director | 4 Apr 2012 | 5 Jun 2020 | British | 70 years |
| Jeffrey Maranian | Director | 6 Dec 2021 | 21 Jan 2022 | American | 44 years |
| Olswang Cosec Limited | Corporate Secretary | 25 Nov 2005 | 31 Jan 2006 | United Kingdom | - |
| Olswang Directors 1 Limited | Corporate Nominee Director | 25 Nov 2005 | 31 Jan 2006 | United Kingdom | - |
| Olswang Directors 2 Limited | Corporate Nominee Director | 25 Nov 2005 | 31 Jan 2006 | United Kingdom | - |
| Richard Storer | Director | 3 Dec 2010 | 21 Nov 2012 | British | 78 years |
| Stephen Graham Davies | Director | 31 Jan 2006 | 28 Feb 2013 | British | 75 years |
| Steven Koon Ching Lee | Director | 31 Jan 2006 | 3 Dec 2010 | British | 59 years |
| Ventzislav Kirilov Stefanov | Director | 27 May 2020 | 4 Dec 2020 | Bulgarian | 58 years |
