| 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 |
| PETERS, Ian Alan Duncan RESIGNED | Secretary | 01 Jan 2001 | 11 Jul 2003 | | | Rectory Stables, Gay Street, Mells, Somerset, BA11 3PT |
| THOMAS, Antony Lewis John RESIGNED | Secretary | | 31 Dec 2000 | | | 12 Kingfield Road, London, W5 1LB |
| TUNNACLIFFE, Paul Derek RESIGNED | Secretary | 11 Jul 2003 | 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 |
| BOLTER, Andrew Christopher RESIGNED | Director | 11 Jul 2003 | 01 Dec 2005 | | December 1970 | 110 North View Road, Crouch End, London, N8 7LP |
| BRATT, Duncan Leslie RESIGNED | Director | 03 Apr 1995 | 30 Jun 2000 | United Kingdom | December 1946 | Field House, Oddley Lane, Saunderton, Buckinghamshire, HP27 9NQ |
| CLARKE, David Jonathan RESIGNED | Director | 01 Jun 2011 | 01 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ, England |
| COLQUITT, Warren Geoffrey RESIGNED | Director | 09 Feb 1998 | 30 Jun 2000 | | May 1963 | 68 Elm Grove Road, Barnes, London, SW13 0BS |
| COULSON, Ruth RESIGNED | Director | 01 Dec 2005 | 20 Jun 2008 | | June 1973 | Flat 4, 14 Steeles Road, London, NW3 4SE |
| DRANSFIELD, Graham RESIGNED | Director | 11 Jul 2003 | 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 |
| HOLCROFT, Thomas Bernard Manning RESIGNED | Director | | 30 Jan 1998 | United Kingdom | August 1947 | Cotsmoor, St Georges Avenue, Weybridge, Surrey, KT13 0BS |
| LECLERCQ, Christian RESIGNED | Director | 02 Jun 2008 | 31 Mar 2010 | England | September 1965 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| LEEVERS, John William RESIGNED | Director | | 08 Jan 1995 | | October 1949 | 47 Hamilton Avenue, Pyrford, Woking, Surrey, GU22 8RU |
| MANSON, Frank Stuart Chiswell RESIGNED | Director | | 14 Dec 1992 | | June 1939 | The Beeches 1 Barn Lane, Milton Malsor, Northampton, Northamptonshire, NN7 3AH |
| MCARDLE, Gary Charles RESIGNED | Director | 18 Aug 2006 | 16 Jun 2008 | | October 1960 | 11a Grasmere Avenue, Harpenden, Hertfordshire, AL5 5PT |
| OGDEN, Michael Alan RESIGNED | Director | 10 Dec 2001 | 30 Jun 2004 | England | November 1954 | 5 West Mall, Clifton Village, Bristol, BS8 4BH |
| PETERS, Ian Alan Duncan RESIGNED | Director | 01 Jul 2000 | 11 Jul 2003 | England | July 1965 | Rectory Stables, Gay Street, Mells, Somerset, BA11 3PT |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| SWIFT, Nicholas RESIGNED | Director | 11 Jul 2003 | 01 Jun 2007 | United Kingdom | June 1964 | 34 The Grove, Brookmans Park, Hertfordshire, AL9 7RN |
| TAYLOR, John Robert RESIGNED | Director | 01 May 1993 | 30 Jun 2000 | | April 1949 | 55 Baring Road, Beaconsfield, Buckinghamshire, HP9 2NF |
| TONKIN, David James RESIGNED | Director | 11 Jul 2003 | 31 Jul 2004 | United Kingdom | April 1962 | White House, 38 High Street Chew Magna, Bristol, Avon, BS40 8PW |
| VARCOE, Richard Antony Bruce, Dr RESIGNED | Director | 01 Jul 2000 | 01 Dec 2000 | United Kingdom | November 1959 | 105 Thingwall Park, Fishponds, Bristol, BS16 2AR |
| VIVIAN, Simon Neil RESIGNED | Director | 01 Jan 2001 | 30 Jun 2003 | United Kingdom | September 1957 | Pond Farm Cottage, Faulkland, Bath, Somerset, BA3 5YG |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 01 Dec 2016 | 06 Sep 2021 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |