| ROGERS, Wendy Fiona ACTIVE | Secretary | 10 Mar 2016 | | | | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| BENNING-PRINCE, Nicholas Arthur Dawe, Mr. ACTIVE | Director | 15 Oct 2013 | | England | October 1974 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DOWLEY, Robert Charles ACTIVE | Director | 09 Dec 2013 | | England | September 1972 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| GRETTON, Edward Alexander ACTIVE | Director | 13 Jun 2008 | | England | July 1970 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| QUILEZ SOMOLINOS, Alfredo ACTIVE | Director | 16 Sep 2021 | | England | July 1967 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| BROWN, Christopher George RESIGNED | Secretary | 17 May 2000 | 17 Sep 2007 | | | 34 Dykelands Road, Fulwell, Sunderland, SR6 8EP |
| BROWN, Christopher George RESIGNED | Secretary | | 03 Jun 1999 | | | 27 Harewood Close, Whickham, Newcastle Upon Tyne, Tyne & Wear, NE16 5SZ |
| MANDER, Iona Margaret RESIGNED | Secretary | 03 Jun 1999 | 17 May 2000 | | | 22 Quineys Leys, Welford Upon Avon, Stratford Upon Avon, Warwickshire, CV37 8PU |
| PYE, Malcolm Roger RESIGNED | Secretary | 17 Sep 2007 | 13 Jun 2008 | | | 7 Ragley Crescent, Bromsgrove, Worcestershire, B60 2BD |
| TYSON, Roger Thomas Virley RESIGNED | Secretary | 31 Jul 2008 | 10 Mar 2016 | | | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |
| BINGHAM, George Edward RESIGNED | Director | | 01 Aug 1999 | United Kingdom | August 1938 | 2 The Lawns, St. Leonards On Sea, East Sussex, TN38 0HH |
| BOARDER, Richard Walter Frank RESIGNED | Director | 03 Jun 1999 | 17 May 2000 | United Kingdom | April 1944 | Noddfa, Christchurch Road, Tring, Hertfordshire, HP23 4EF |
| BROWN, Christopher George RESIGNED | Director | | 13 Jun 2008 | | May 1954 | 34 Dykelands Road, Fulwell, Sunderland, SR6 8EP |
| BURNET, David Stewart RESIGNED | Director | | 03 Jun 1999 | | April 1927 | Westland Farm Ockley Road, Ewhurst, Cranleigh, Surrey, GU6 7SL |
| CLARKE, David Jonathan RESIGNED | Director | 01 Jun 2011 | 01 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ, England |
| EBERLIN, Michael Anthony RESIGNED | Director | 17 Sep 2007 | 13 Jun 2008 | United Kingdom | December 1962 | Jacobs Well, Suffolk Lane, Abberley, Worcester, Worcestershire, WR6 6BE, United Kingdom |
| ERICSSON, Erik Hans Goran RESIGNED | Director | 03 Jun 1999 | 17 May 2000 | | October 1943 | Baggensgatan 11, Stockholm, 111 31, FOREIGN, Sweden |
| FLAVELL, Ian Leonard RESIGNED | Director | 17 Sep 2007 | 13 Jun 2008 | England | July 1955 | 5 Richmond Gardens, Wombourne, Staffordshire, WV5 0LQ |
| FOUNTAIN, Roy John RESIGNED | Director | | 06 Oct 1992 | | November 1944 | Little Farthings Charing Heath Road, Ashford, Kent, TN27 0AL |
| GIMMLER, Richard Robert RESIGNED | Director | 13 Jun 2008 | 30 Dec 2009 | England | April 1967 | Glebe House, Church Walk, Ashton Keynes, Swindon, Wiltshire, SN6 6PB |
| GREENWELL, Paul RESIGNED | Director | 03 Nov 1998 | 17 May 2000 | | July 1962 | Fourstones Canon Woods Way, Kennington, Ashford, Kent, TN24 9QY |
| GUYATT, Benjamin John RESIGNED | Director | 13 Jun 2008 | 01 Jun 2011 | United Kingdom | October 1975 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |
| LAMB, Gordon RESIGNED | Director | | 23 Apr 1997 | England | April 1944 | 33 Greystoke Park, Gosforth, Newcastle Upon Tyne, NE3 2DZ |
| LECLERCQ, Christian RESIGNED | Director | 13 Jun 2008 | 31 Mar 2010 | England | September 1965 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |
| MCGOWN, James Stewart RESIGNED | Director | 20 Oct 1997 | 13 Jun 2008 | | August 1960 | 4 Church Meadows New Road, Bramham, Wetherby, West Yorkshire, LS23 6TF |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |
| SHAW, Barry Leigh RESIGNED | Director | | 17 May 2000 | | July 1940 | 24 Westsyde Drive, Darras Hall, Ponteland, Near Newcastle, NE20 9LS |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 01 Dec 2016 | 16 Sep 2021 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ |
| WILLERSTROM, Bo Ingvar RESIGNED | Director | 03 Jun 1999 | 17 May 2000 | | May 1947 | Barrstigen 10, Bromma, S167 31, Sweden |