| Alan Baker | Director | 22 Mar 2007 | 28 Mar 2008 | Scottish | 60 years |
| Barry O'regan | Director | 20 May 2011 | 17 Jul 2012 | Irish | 49 years |
| Caoimhe Mary Giblin | Director | 28 Jul 2010 | 27 Mar 2013 | Irish | 50 years |
| David Gardner | Director | 28 Oct 2010 | 12 Oct 2012 | British | 63 years |
| Donal Francis Flynn | Director | 5 Dec 2007 | 28 Jul 2010 | Irish | 53 years |
| Faheem Zaka Sheikh | Director | 1 May 2023 | 9 Jun 2025 | British | 42 years |
| Fraser Mcgregor Alexander | Director | 15 Feb 2008 | 27 Mar 2013 | British | 63 years |
| Hms Directors Limited | Corporate Nominee Director | 22 Jan 2007 | 22 Mar 2007 | United Kingdom | - |
| Hms Secretaries Limited | Corporate Nominee Director | 22 Jan 2007 | 22 Mar 2007 | United Kingdom | - |
| Hms Secretaries Limited | Corporate Nominee Secretary | 22 Jan 2007 | 31 Dec 2008 | United Kingdom | - |
| James Isaac Smith | Director | 1 Jul 2008 | 27 Mar 2013 | British | 64 years |
| Jason Paul Porter | Director | 20 Mar 2017 | 9 May 2019 | British | 45 years |
| Javier Francisco Serrano Alonso | Director | 1 May 2023 | 9 Jun 2025 | Spanish | 48 years |
| Laurence Jon Fumagalli | Director | 27 Mar 2013 | 1 May 2023 | British | 54 years |
| Lawrence John Vincent Donnelly | Secretary | 5 Jan 2009 | 27 Mar 2013 | British | - |
| Martin Mcadam | Director | 11 Mar 2008 | 1 Jul 2008 | Irish | 65 years |
| Pamela Walsh | Director | 12 Mar 2008 | 27 Mar 2013 | Irish | 60 years |
| Paul Cyril Dowling | Director | 22 Mar 2007 | 28 Jan 2011 | Irish | 61 years |
| Peter James Mchale | Director | 26 Mar 2013 | 31 Jul 2015 | Irish | 56 years |
| Senan Murphy | Director | 22 Mar 2007 | 5 Dec 2007 | Irish | 57 years |
| Simon Murray Heyes | Director | 1 Jul 2008 | 19 Oct 2010 | British | 63 years |
| Stephen Bernard Lilley | Director | 27 Mar 2013 | 1 May 2023 | British | 58 years |
| Steven Alexander Cowie | Director | 22 Mar 2007 | 5 Jun 2008 | British | 62 years |
