| Alan Robert Harold Sindel | Director | 11 Jul 2003 | 15 Jul 2005 | Australian | 61 years |
| Alan Robert Harold Sindel | Director | 1 Aug 2005 | 3 Feb 2006 | Australian | 61 years |
| Andrew Christopher Bolter | Director | 11 Jul 2003 | 1 Dec 2005 | British | 56 years |
| Andrew James Harrower Dougal | Director | 14 Dec 1991 | 1 Nov 1993 | British | 75 years |
| Andrew James Harrower Dougal | Director | 11 Mar 1996 | 14 May 2002 | British | 75 years |
| Andrew James Harrower Dougal | Secretary | 14 Dec 1991 | 21 Apr 1992 | British | - |
| Anthony Ross Cotton | Director | 14 Dec 1991 | 14 Oct 1993 | British | 83 years |
| Benjamin John Guyatt | Director | 13 Jun 2008 | 13 Jun 2008 | British | 51 years |
| Benjamin John Guyatt | Director | 13 Jun 2008 | 6 Aug 2008 | British | 51 years |
| Carsten Matthias Wendt | Director | 1 Dec 2016 | 28 Jan 2022 | German | 50 years |
| Christian Leclercq | Director | 2 Jun 2008 | 31 Mar 2010 | Belgian | 61 years |
| Daniel Hugues Gauthier | Director | 30 Jul 2009 | 31 Mar 2016 | Belgian | 69 years |
| Daniel John Cooper | Director | 1 Jan 2016 | 31 Jan 2019 | Australian | 56 years |
| David James Tonkin | Director | 13 Sept 2001 | 31 Jul 2004 | British | 64 years |
| David John Snowdon | Director | 30 Apr 1993 | 29 Mar 1996 | British | 82 years |
| David Jonathan Clarke | Director | 12 Sept 2013 | 1 Dec 2016 | British | 52 years |
| David Philip Sharman | Director | 26 Sept 2005 | 25 Jan 2013 | British | 78 years |
| Edmund Michael Reed | Director | 11 Jul 2003 | 30 Sept 2004 | British | 70 years |
| Gary Charles Mcardle | Director | 2 Aug 2004 | 28 Jul 2005 | British | 66 years |
| Gary Charles Mcardle | Director | 1 Aug 2005 | 16 Jun 2008 | British | 66 years |
| Graham Dransfield | Director | 11 Jul 2003 | 30 Jun 2008 | British | 75 years |
| Graham Dransfield | Secretary | 10 Dec 2007 | 30 Jun 2008 | British | - |
| Ian Alan Duncan Peters | Director | 17 May 2000 | 11 Jul 2003 | British | 61 years |
| Ian Alan Duncan Peters | Secretary | 1 Dec 2000 | 11 Jul 2003 | British | - |
| Ian Paul Tyler | Director | 1 Nov 1993 | 29 Mar 1996 | British | 66 years |
| Ian Paul Tyler | Secretary | 1 Nov 1993 | 29 Mar 1996 | British | - |
| James Alexander Claydon | Director | 16 Feb 2009 | 31 Dec 2019 | British | 66 years |
| John Charles Meins | Director | 30 Apr 1993 | 31 Dec 1999 | British | 87 years |
| John Mortimer | Director | 25 Jan 1995 | 25 Feb 2000 | British | 73 years |
| Jonathan Peter Morrish | Director | 14 Dec 2007 | 1 Sept 2012 | British | 56 years |
| Jonathan Peter Morrish | Director | 26 Jan 2001 | 31 Jan 2001 | British | 56 years |
| Maxwell Hay Fordyce Colligan | Director | 16 Dec 2011 | 7 Jul 2017 | British | 58 years |
| Michael Alan Ogden | Director | 16 Jul 2001 | 30 Jun 2004 | British | 72 years |
| Nicholas Swift | Director | 11 Jul 2003 | 1 Jun 2007 | British | 62 years |
| Patrick Joseph O'shea | Director | 2 Aug 2004 | 9 May 2008 | British | 68 years |
| Patrick Joseph O'shea | Director | 1 Aug 2005 | 28 Jul 2005 | British | 68 years |
| Patrick Joseph O'shea | Director | 13 Jun 2008 | 31 Dec 2015 | British | 68 years |
| Paul Derek Tunnacliffe | Secretary | 11 Jul 2003 | 10 Dec 2007 | British | - |
| Peter John Turner | Director | 14 Dec 1991 | 24 Feb 1997 | British | 82 years |
| Philip John Schacht | Director | 26 Sept 2005 | 1 Sept 2008 | Australian | 62 years |
| Phillip Keith Redmond | Director | 16 Dec 2011 | 10 Oct 2018 | British | 60 years |
| Plamen Jordanoff | Director | 11 Apr 2007 | 24 Dec 2008 | Australian | 53 years |
| Ralph Dominik Von Achten | Director | 13 Jun 2008 | 31 Dec 2008 | German | 61 years |
| Ralph Dominik Von Achten | Director | 28 Apr 2016 | 31 Jan 2020 | German | 61 years |
| Richard Antony Bruce Varcoe | Director | 31 Oct 1997 | 1 Dec 2000 | British | 67 years |
| Richard Antony Bruce Varcoe | Secretary | 31 Oct 1997 | 1 Dec 2000 | British | - |
| Robert Charles Dowley | Director | 9 Dec 2013 | 9 Dec 2013 | British | 54 years |
| Robert Ian Menzies-gow | Director | 14 Dec 1991 | 30 Apr 1993 | British | 84 years |
| Roger Thomas Virley Tyson | Secretary | 31 Jul 2008 | 10 Mar 2016 | British | - |
| Ross Anthony Norman Chiese | Director | 14 Dec 1991 | 31 May 1994 | British | 76 years |
| Seyda Pirinccioglu | Director | 19 Jul 2010 | 31 Aug 2013 | Turkish | 55 years |
| Simon Neil Vivian | Director | 21 Apr 1992 | 30 Jun 2003 | British | 69 years |
| Simon Neil Vivian | Secretary | 21 Apr 1992 | 1 Nov 1993 | British | - |
| Simon Roger Fernley | Director | 29 Mar 1996 | 30 Sept 2001 | British | 76 years |
| Simon Roger Fernley | Secretary | 29 Mar 1996 | 31 Oct 1997 | British | - |
| Stephen Richard Harrison | Director | 1 Sept 2012 | 13 Mar 2015 | British | 58 years |
| Steven Neville Hardman | Director | 26 Jan 2001 | 31 Jan 2001 | British | 58 years |
| Todd William Hannigan | Director | 26 Sept 2005 | 26 Oct 2007 | Australian | 54 years |
| Yuval Dagim | Director | 1 Sept 2008 | 31 Aug 2011 | Israeli | 64 years |