| BRITTON, Ralph Thomas ACTIVE | Secretary | 31 Mar 2006 | | | | 81, Station Road, Marlow, Buckinghamshire, SL7 1NS, England |
| GEAREY, James Tobin ACTIVE | Director | 27 Jun 2008 | | United Kingdom | August 1971 | 81, Station Road, Marlow, Buckinghamshire, SL7 1NS, England |
| MASON, Steven John ACTIVE | Director | 26 Sep 2005 | | United Kingdom | October 1958 | 81, Station Road, Marlow, Buckinghamshire, SL7 1NS, England |
| GORDON, Richard James RESIGNED | Secretary | | 31 Mar 2006 | | | The Millhouse Mill Lane, South Moreton, Didcot, Oxfordshire, OX11 9AJ |
| ANDREW, Jonathan RESIGNED | Director | 26 Sep 2005 | 10 Sep 2013 | England | October 1964 | Sefton Park, Bells Hill, Stoke Poges, Buckinghamshire, SL2 4JS |
| BARNETT, Barney RESIGNED | Director | | 30 Jun 1992 | | January 1933 | White Pastures East End, Furneux Pelham, Buntingford, Hertfordshire, SG9 0JU |
| BASSETT, Stephen Charles RESIGNED | Director | 05 Mar 2002 | 30 Nov 2005 | | October 1953 | 42 Moor End, Eaton Bray, Dunstable, LU6 2HN |
| BERNHOEFT, Hans, Dr RESIGNED | Director | 21 Feb 2007 | 01 Apr 2009 | | February 1958 | Feursstr. 63d, Olching, 82140, Germany |
| COLLINS, Adrian John Reginald RESIGNED | Director | 19 Aug 1992 | 04 Oct 1993 | England | May 1954 | 4 Campden Hill Square, London, W8 7LB |
| CUST, David Charles RESIGNED | Director | 19 Apr 2000 | 30 Nov 2005 | England | July 1950 | Stratton Downs Dodds Lane, Chalfont St Giles, Buckinghamshire, HP8 4EL |
| DAVISON, Andrew John RESIGNED | Director | 04 Aug 1999 | 11 Sep 2002 | England | November 1942 | 11 Shawfield Street, London, SW3 4BA |
| DOUIE, William James Charles RESIGNED | Director | | 30 Jun 1992 | United Kingdom | June 1939 | Sepham Court Filston Lane, Shoreham, Sevenoaks, Kent, TN14 5JT |
| FARRINGTON, Anthony Maurice RESIGNED | Director | 01 Jun 2005 | 31 Dec 2005 | | October 1954 | Pipwillow, Banbury Road Lower Boddington, Daventry, Northamptonshire, NN11 6XY |
| GORDON, Richard James RESIGNED | Director | | 30 Apr 2006 | England | May 1954 | The Millhouse Mill Lane, South Moreton, Didcot, Oxfordshire, OX11 9AJ |
| GROSSMANN, Matthias Alfred Werner RESIGNED | Director | 26 Sep 2005 | 31 Dec 2006 | | June 1969 | Erzgiessereistr. 16d, Munich, D-80335, FOREIGN, Germany |
| HAMPSON, John Frederick RESIGNED | Director | 26 May 1992 | 04 Aug 1999 | | February 1938 | 27 The Pingle, Quorn, Leicestershire, LE12 8FQ |
| HARRISON, Clive Fiske RESIGNED | Director | | 18 Feb 1998 | | November 1939 | Flat 1, 114 Eaton Square, London, SW1X 9AA |
| HARVEY, Robert Anthony Montague RESIGNED | Director | | 29 Mar 2002 | | April 1937 | 5 Mill Paddock, Abingdon, Oxfordshire, OX14 5EU |
| KUPILA, Kari RESIGNED | Director | 26 Sep 2005 | 31 Dec 2006 | | May 1963 | Fritz-Loenig-Weg 3, Deisenhofen, D-82041, Germany |
| SCHNEIDER, Bernhard Klaus RESIGNED | Director | 21 Apr 2009 | 10 Sep 2013 | Germany | December 1968 | Sefton Park, Bells Hill, Stoke Poges, Buckinghamshire, SL2 4JS |
| STEWART, David Howat RESIGNED | Director | 11 Sep 2002 | 26 Aug 2005 | England | October 1945 | 6 Carew Lodge, Carew Road, Northwood, Middlesex, HA6 3NH |
| VAIGHT, Paul Ronald RESIGNED | Director | 01 Jun 1998 | 26 Aug 2005 | | December 1944 | Flat 12 1 10 Summers Street, London, EC1R 5BD |
| WOOTTON, Timothy Paul RESIGNED | Director | 20 Jun 2002 | 26 Aug 2005 | United Kingdom | June 1948 | Figtree Cottage, Rotten Row Tutts Clump, Reading, Berkshire, RG7 6LQ |