| Aci Directors Limited | Corporate Nominee Director | 6 Feb 2006 | 6 Feb 2006 | United Kingdom | - |
| Aci Secretaries Limited | Corporate Secretary | 6 Feb 2006 | 6 Feb 2006 | United Kingdom | - |
| Antoinette Keane | Secretary | 3 Mar 2009 | 27 Apr 2012 | Other | - |
| Christopher James Langley | Director | 14 Oct 2010 | 18 Aug 2014 | British | 63 years |
| David Alistair Cook | Director | 17 Feb 2009 | 30 Apr 2010 | British | 65 years |
| David Anthony Rolfe | Director | 17 Feb 2009 | 17 Sept 2009 | British | 54 years |
| Michael John Dix | Director | 24 Nov 2011 | 18 Aug 2014 | British | 67 years |
| Michael Pelham Morris Olive | Director | 6 Feb 2006 | 18 Aug 2014 | British | 70 years |
| Nicolas Daniel Girotto | Director | 13 Jul 2015 | 1 Oct 2015 | French | 52 years |
| Peter Jonathan Lewin | Director | 6 Feb 2006 | 18 Aug 2014 | British | 74 years |
| Peter Jonathan Lewin | Secretary | 6 Feb 2006 | 18 Aug 2014 | British | - |
| Rajeshree Chandrakant Patel | Director | 1 Nov 2011 | 14 May 2012 | British | 55 years |
| Roger Roland Seymour | Director | 9 Jul 2012 | 31 Oct 2014 | British | 69 years |
| Stephen Carr Hodgson | Director | 17 Feb 2009 | 26 Jan 2017 | British | 59 years |
| Stephen James Tuddenham | Director | 1 May 2013 | 1 Apr 2021 | British | 46 years |
