| 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 | 02 Jun 2008 | | England | July 1970 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| QUILEZ SOMOLINOS, Alfredo ACTIVE | Director | 06 Sep 2021 | | England | July 1967 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DRANSFIELD, Graham RESIGNED | Secretary | 10 Dec 2007 | 30 Jun 2008 | | | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| TUNNACLIFFE, Paul Derek RESIGNED | Secretary | 01 Oct 1996 | 10 Dec 2007 | | | 6 Ashburnham Park, Esher, Surrey, KT10 9TW |
| TYSON, Roger Thomas Virley RESIGNED | Secretary | 31 Jul 2008 | 10 Mar 2016 | | | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| TYSON, Roger Thomas Virley RESIGNED | Secretary | | 30 Sep 1996 | | | 5 Matthews Chase, Binfield, Bracknell, Berkshire, RG42 4UR |
| BOLTER, Andrew Christopher RESIGNED | Director | 28 May 2003 | 01 Dec 2005 | | December 1970 | 110 North View Road, Crouch End, London, N8 7LP |
| BONHAM, Derek Charles RESIGNED | Director | | 24 Sep 1993 | | July 1943 | 180 Brompton Road, London, SW3 1HF |
| CLARKE, David Jonathan RESIGNED | Director | 01 Jun 2011 | 01 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ, England |
| COULSON, Ruth RESIGNED | Director | 01 Dec 2005 | 20 Jun 2008 | | June 1973 | Flat 4, 14 Steeles Road, London, NW3 4SE |
| DOUGAL, Andrew James Harrower RESIGNED | Director | 31 May 1995 | 22 Oct 1999 | | September 1951 | Lomond Lodge 1a Linkway, Camberley, Surrey, GU15 2NH |
| DRANSFIELD, Graham RESIGNED | Director | | 30 Jun 2008 | England | March 1951 | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| EGAN, David John RESIGNED | Director | 01 Jun 2007 | 16 Jun 2008 | United Kingdom | December 1967 | 70, Valley Road, Rickmansworth, Hertfordshire, WD3 4BJ |
| GIMMLER, Richard Robert RESIGNED | Director | 13 Jun 2008 | 30 Dec 2009 | England | April 1967 | Glebe House, Church Walk, Ashton Keynes, Swindon, Wiltshire, SN6 6PB |
| GUYATT, Benjamin John RESIGNED | Director | 13 Jun 2008 | 01 Jun 2011 | United Kingdom | October 1975 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| LANDUYT, William Modest RESIGNED | Director | 24 Sep 1993 | 31 May 1995 | | October 1955 | 27 Abbey Gardens, St Johns Wood, London, NW8 9AS |
| LECLERCQ, Christian RESIGNED | Director | 02 Jun 2008 | 31 Mar 2010 | England | September 1965 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| LUDLAM, Kenneth John RESIGNED | Director | 18 Feb 1991 | 28 May 2003 | United Kingdom | September 1943 | Longwood House, 12a Mavelstone Close, Bromley, Kent, BR1 2PJ |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| READ, Justin Richard RESIGNED | Director | 22 Oct 1999 | 28 May 2003 | England | May 1961 | 46b Saint Georges Drive, London, SW1V 4BT |
| SPENCER, Paul RESIGNED | Director | 18 Feb 1991 | 05 Jan 1996 | United Kingdom | January 1950 | 4 Victoria Square, London, SW1W 0QY |
| SWIFT, Nicholas RESIGNED | Director | 28 May 2003 | 01 Jun 2007 | United Kingdom | June 1964 | 34 The Grove, Brookmans Park, Hertfordshire, AL9 7RN |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 01 Dec 2016 | 06 Sep 2021 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |