| Alan Charles Donald | Director | 11 May 2006 | 20 Apr 2007 | British | 63 years |
| Alvaro Gomez-reino Lago De Lanzos | Director | 24 Aug 2020 | 5 Aug 2022 | Spanish | 53 years |
| Charles Adair Anderson | Director | 27 Apr 2001 | 3 May 2001 | British | 80 years |
| Charles Adair Anderson | Secretary | 3 May 2001 | 7 Feb 2003 | British | - |
| Craig Allan Gibson Smyth | Director | 3 May 2001 | 4 Nov 2014 | British | 59 years |
| David Alastair Trollope | Director | 11 Jan 2017 | 5 Aug 2022 | British | 66 years |
| Eric Mulholland | Secretary | 27 Apr 2001 | 15 Nov 2001 | British | - |
| Forsyth Rutherford Black | Director | 5 Aug 2016 | 11 Mar 2019 | British | 57 years |
| Giles Robert Bryant Wilson | Director | 20 May 2016 | 24 Aug 2020 | British | 53 years |
| Giles Robert Bryant Wilson | Director | 11 Apr 2011 | 11 Apr 2011 | British | 53 years |
| Giles Robert Bryant Wilson | Director | 11 Apr 2011 | 27 Mar 2015 | British | 53 years |
| Graeme Mckinlay Jenkins | Director | 20 Apr 2007 | 19 Mar 2010 | British | 51 years |
| Ian Clive Mcmillan | Director | 11 May 2006 | 5 Nov 2007 | British | 78 years |
| James Mark Cross | Director | 28 Jun 2004 | 11 May 2006 | British | 67 years |
| John Francis Alexander Geddes | Secretary | 24 Jan 2005 | 1 Oct 2006 | British | - |
| Maclay Murray & Spens | Corporate Secretary | 17 Aug 2000 | 27 Apr 2001 | United Kingdom | - |
| Mervyn Walker | Director | 13 Oct 2003 | 27 Mar 2015 | Irish | 66 years |
| Mervyn Walker | Director | 24 Aug 2020 | 5 Aug 2022 | Irish | 66 years |
| Michael John Ennis | Director | 27 Apr 2001 | 3 May 2001 | British | 67 years |
| Neil Thomas | Director | 27 Mar 2015 | 11 Jan 2017 | British | 61 years |
| Paul Richard Smith | Director | 11 May 2006 | 5 Nov 2007 | Australian | 64 years |
| Paula Bell | Director | 27 Mar 2015 | 20 May 2016 | British | 59 years |
| Peter Simon Smith | Director | 3 May 2001 | 30 Apr 2004 | British | 82 years |
| Philip Harnden | Director | 28 Jun 2004 | 2 Jul 2008 | British | 62 years |
| Philip Harnden | Secretary | 3 May 2001 | 24 Jan 2005 | British | - |
| Philipp Joeinig | Director | 10 Dec 2020 | 5 Aug 2022 | Austrian | 50 years |
| Simon John Yiend | Director | 15 Oct 2007 | 2 Jul 2008 | British | 71 years |
| Stephen Lawrence Koller | Director | 28 Jun 2004 | 5 Jan 2016 | American | 67 years |
| Tristan George Turnbull | Secretary | 1 Oct 2006 | 27 Mar 2015 | British | - |
| Vindex Limited | Corporate Director | 17 Aug 2000 | 27 Apr 2001 | United Kingdom | - |
| Vindex Services Limited | Corporate Director | 17 Aug 2000 | 27 Apr 2001 | United Kingdom | - |