| Alan Charles Coppin | Director | 8 Jun 1999 | 31 Dec 2001 | British | 76 years |
| Andrew Ronald Parrish | Director | 31 Mar 2000 | 11 May 2005 | British | 81 years |
| Bernard John Sharples | Director | 28 May 1999 | 16 May 2001 | British | 78 years |
| Ceri Michele Powell | Director | 2 Apr 2014 | 31 Mar 2017 | British | 63 years |
| Christopher Francis Girling | Director | 8 Nov 1999 | 30 Apr 2007 | British | 72 years |
| Christopher Roger Ettrick Brooke | Director | 28 May 1999 | 31 Dec 2001 | British | 95 years |
| David Noel Christopher Garman | Director | 7 Sept 2004 | 4 May 2011 | British | 75 years |
| David Ossian Maloney | Director | 1 Nov 2005 | 3 Oct 2011 | British | 71 years |
| David Stuart Hurcomb | Director | 1 Jan 2008 | 8 Dec 2009 | British | 62 years |
| Dirk Olaf Fitzhugh | Secretary | 28 May 1999 | 1 Dec 2001 | British | - |
| Euan Mcewan | Director | 28 May 1999 | 30 Apr 2001 | British | 71 years |
| Jean Paul Parayre | Director | 28 May 1999 | 7 Dec 2004 | French | 89 years |
| John Mcdonough | Director | 1 Jan 2001 | 31 Dec 2011 | British | 75 years |
| Neville Ian Simms | Director | 28 May 1999 | 11 May 2005 | British | 82 years |
| Philip Graham Rogerson | Director | 1 Oct 2004 | 7 May 2014 | British | 81 years |
| Philip Nevill Green | Director | 1 Jun 2011 | 1 Jun 2011 | British | 68 years |
| Richard Francis Tapp | Secretary | 1 Dec 2001 | 25 Jun 2018 | British | - |
| Richard John Adam | Director | 2 Apr 2007 | 31 Dec 2016 | British | 69 years |
| Richard John Howson | Director | 10 Dec 2009 | 10 Jul 2017 | British | 58 years |
| Roger Joseph Dickens | Director | 24 May 2000 | 2 Dec 2005 | British | 78 years |
| Roger William Robinson | Director | 28 May 1999 | 6 May 2009 | British | 75 years |
| Steven Lewis Mogford | Director | 6 Sept 2006 | 31 Dec 2015 | British | 70 years |
| Thomas Donald Kenny | Director | 6 Sept 2006 | 31 Aug 2010 | Irish | 72 years |
| Vanda Murray | Director | 1 Jun 2005 | 7 May 2014 | British | 66 years |
| Zafar Iqbal Khan | Director | 1 Jan 2017 | 11 Sept 2017 | British | 58 years |