| Alan Campbell Ritchie | Director | 23 Dec 2005 | 30 Apr 2006 | British | 58 years |
| Alan Campbell Ritchie | Director | 3 Jul 2007 | 14 Oct 2009 | British | 58 years |
| Alexander George Bremner | Director | 14 Nov 2007 | 14 Oct 2009 | British | 71 years |
| Alexander George Bremner | Director | 14 Oct 2009 | 29 Feb 2012 | British | 71 years |
| Andrew Peter Lindsay Walls | Secretary | 23 Dec 2005 | 25 Feb 2007 | British | - |
| Andrew Robinson | Director | 1 Aug 2009 | 1 Aug 2009 | British | 66 years |
| Andrew Robinson | Director | 1 Aug 2010 | 1 Jun 2018 | British | 66 years |
| Biif Corporate Services Limited | Corporate Director | 25 Jun 2009 | 27 May 2016 | United Kingdom | - |
| Christopher Trestler | Director | 10 Mar 2006 | 1 Aug 2009 | Austrian | 73 years |
| Christopher Trestler | Director | 1 Aug 2009 | 1 Aug 2010 | Austrian | 73 years |
| David Fulton Gilmour | Director | 28 Nov 2011 | 1 Nov 2021 | British | 62 years |
| Grant Robert Carmichael | Director | 23 May 2008 | 18 Sept 2008 | British | 55 years |
| Grant Robert Carmichael | Director | 25 Nov 2009 | 9 Sept 2013 | British | 55 years |
| Jan Karen Love | Director | 24 Jul 2006 | 14 Nov 2007 | British | 53 years |
| John Christian Elliot | Director | 10 Mar 2006 | 3 Jul 2007 | British | 73 years |
| John Wrinn | Director | 1 Nov 2021 | 31 Jan 2023 | British | 63 years |
| Kirk Graham Vaughan Taylor | Director | 10 Mar 2006 | 18 Apr 2007 | British | 61 years |
| Klaus Boede | Director | 10 Mar 2006 | 23 May 2008 | German | 66 years |
| Maclay Murray & Spens Llp | Corporate Nominee Secretary | 25 Feb 2007 | 27 Aug 2009 | United Kingdom | - |
| Martin James Rawlinson | Director | 18 Sept 2008 | 22 Nov 2016 | British | 59 years |
| Matthias Alexander Reicherter | Director | 14 Oct 2009 | 30 Sept 2011 | German | 55 years |
| Michael Joseph Mcbrearty | Director | 2 Aug 2007 | 25 Nov 2009 | British | 54 years |
| Oliver James Wake Jennings | Director | 19 Mar 2009 | 25 Jun 2009 | British | 62 years |
| Roger Harold Potts | Director | 10 Mar 2006 | 2 Aug 2007 | British | 72 years |
| Timothy John Hesketh | Director | 9 Sept 2013 | 22 Nov 2016 | British | 59 years |