| Adriana Konjani | Director | 1 May 2013 | 15 Aug 2017 | British | 53 years |
| Alan Richard Mcarthur Ronald | Director | 31 Mar 2015 | 28 Feb 2019 | British | 57 years |
| Alistair John Macwilliam | Director | 2 Aug 2004 | 29 May 2009 | British | 76 years |
| George Connell | Director | 13 May 2003 | 22 Jul 2004 | British | 67 years |
| George Connell | Secretary | 13 May 2003 | 13 May 2003 | British | - |
| Gillian Rodgers | Director | 27 Jul 2017 | 18 Nov 2020 | British | 65 years |
| Gordon John West | Secretary | 18 Feb 2000 | 28 Feb 2000 | British | - |
| Henricus Josephus Maria Roels | Director | 25 Feb 2000 | 27 Nov 2000 | Netherlands | 78 years |
| Ian Robertson | Director | 16 Mar 2005 | 5 Nov 2007 | British | 68 years |
| Janine Wallace | Director | 13 May 2003 | 1 Aug 2005 | British | 74 years |
| Jeroen Van Der Veer | Director | 25 Feb 2000 | 23 Nov 2000 | Netherlands | 79 years |
| Jyoti Eruch Munsiff | Director | 18 Feb 2000 | 25 Feb 2000 | British | 79 years |
| Jyoti Eruch Munsiff | Director | 21 Nov 2000 | 11 Jun 2003 | British | 79 years |
| Jyoti Eruch Munsiff | Secretary | 28 Feb 2000 | 20 Nov 2000 | British | - |
| Linzi Mcgarva | Director | 31 Oct 2013 | 31 Mar 2015 | British | 57 years |
| Maarten Albert Van Den Bergh | Director | 25 Feb 2000 | 30 Jun 2000 | Dutch | 84 years |
| Mark Moody Stuart | Director | 25 Feb 2000 | 23 Nov 2000 | British | 86 years |
| Michael Colin Harrop | Director | 13 May 2003 | 28 Jan 2008 | British | 69 years |
| Michael David Sinclair | Director | 13 Nov 2012 | 31 Oct 2013 | Australian | 69 years |
| Michael James Daman | Director | 21 Apr 2004 | 31 Jan 2005 | British | 71 years |
| Nicholas Wakefield | Director | 13 Jul 2018 | 18 Nov 2020 | British | 63 years |
| Nigel Henry Penny | Director | 21 Nov 2000 | 20 Aug 2001 | British | 79 years |
| Oliver Fleming Capon | Director | 13 Jul 2018 | 18 Nov 2020 | British | 56 years |
| Paul David Skinner | Director | 25 Feb 2000 | 27 Nov 2000 | British | 82 years |
| Per Andrew Reiff-musgrove | Director | 17 Jan 2008 | 31 Oct 2008 | British | 59 years |
| Philip Beverley Watts | Director | 25 Feb 2000 | 22 Nov 2000 | British | 81 years |
| Pieter Louwes Folmer | Director | 21 Nov 2000 | 11 Jun 2003 | Dutch | 83 years |
| Piotr Pawel Laszczak | Director | 11 Dec 2008 | 5 Dec 2012 | Polish | 53 years |
| Ralph Neil Gaskell | Director | 7 Jul 2000 | 13 Jun 2003 | British | 78 years |
| Stephen Murley Garfield Hodge | Director | 18 Feb 2000 | 10 Jul 2000 | British | 84 years |
| Tracy Louisa Taylor | Director | 1 Jun 2009 | 1 May 2013 | British | 56 years |
| Wouter Sjoerd De Vries | Director | 13 May 2003 | 4 Feb 2004 | Netherlands | 72 years |