| 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 |
| ADDISON, Jeffrey Patrick RESIGNED | Director | 04 Oct 2006 | 30 Jun 2007 | | December 1946 | The Garden House, Hale Road, Wendover, Buckinghamshire, HP22 6NE |
| ANDREW, Jonathan RESIGNED | Director | 26 Sep 2005 | 10 Sep 2013 | United Kingdom | October 1964 | Sefton Park, Bells Hill, Stoke Poges, Buckinghamshire, SL2 4JS |
| BASSETT, Stephen Charles RESIGNED | Director | 27 Sep 2001 | 31 Dec 2005 | | October 1953 | 42 Moor End, Eaton Bray, Dunstable, LU6 2HN |
| BELL, Richard Granville RESIGNED | Director | | 17 Dec 2003 | | July 1947 | Holmewood,, Gainfield, Buckland, Faringdon, Oxfordshire, SN7 8QQ |
| BERNHOEFT, Hans, Dr RESIGNED | Director | 21 Feb 2007 | 01 Apr 2009 | | February 1958 | Feursstr. 63d, Olching, 82140, Germany |
| CHAPMAN, Nicholas John RESIGNED | Director | 26 May 1992 | 28 Jun 2002 | | May 1942 | Quince Cottage, Hillcrest Lane, Peppard Common, Henley On Thames, Oxfordshire, RG9 5JF |
| CHICK, David Christopher RESIGNED | Director | 26 May 1992 | 28 Jun 2002 | | June 1942 | Yeomans, Wrantage, Taunton, Somerset, TA3 6DA |
| CUST, David Charles RESIGNED | Director | 25 May 2000 | 30 Nov 2005 | England | July 1950 | Stratton Downs Dodds Lane, Chalfont St Giles, Buckinghamshire, HP8 4EL |
| DAVISON, Andrew John RESIGNED | Director | 05 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 |
| ELLISON, Stephen RESIGNED | Director | 15 Oct 2008 | 15 Jul 2014 | United Kingdom | October 1955 | Sefton Park, Bells Hill, Stoke Poges, Buckinghamshire, SL2 4JS |
| FARRINGTON, Anthony Maurice RESIGNED | Director | 01 Jun 2005 | 13 Dec 2005 | | October 1954 | Pipwillow, Banbury Road Lower Boddington, Daventry, Northamptonshire, NN11 6XY |
| GORDON, Richard James RESIGNED | Director | 26 May 1992 | 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 |
| HAFNER, Andreas Markus RESIGNED | Director | 04 Oct 2006 | 30 Sep 2007 | | April 1957 | Flistridge, 4 Silbury Court, Beckhampton, Wiltshire, SN8 1QJ |
| HALL, Martin Allan RESIGNED | Director | 07 Dec 2007 | 07 Aug 2013 | England | October 1944 | Sefton Park, Bells Hill, Stoke Poges, Buckinghamshire, SL2 4JS |
| HAMPSON, John Frederick RESIGNED | Director | 26 May 1992 | 05 Aug 1999 | | February 1938 | 27 The Pingle, Quorn, Leicestershire, LE12 8FQ |
| HARDWICK, Michael Robert RESIGNED | Director | 26 Sep 2005 | 31 Jan 2008 | | September 1952 | Churton Cottage, Links Road, Bramley, Surrey, GU5 0AL |
| 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 | 25 Mar 1999 | 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 |
| ZIEGLER, Stephan Otto RESIGNED | Director | 26 Feb 2008 | 05 Dec 2011 | Germany | July 1956 | Sefton Park, Bells Hill, Stoke Poges, Buckinghamshire, SL2 4JS |