| 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 | 11 Feb 2022 | | England | July 1967 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DOUGAL, Andrew James Harrower RESIGNED | Secretary | | 21 Apr 1992 | | | 10, Westerdale Drive Frimley, Camberley, Surrey, GU16 5RB |
| DRANSFIELD, Graham RESIGNED | Secretary | 10 Dec 2007 | 30 Jun 2008 | | | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| NICHOLSON, Paul William RESIGNED | Secretary | 21 Apr 1992 | 21 Jul 1992 | | | Hammerfield, Cansiron Lane, Ashurst Wood, West Sussex, RH19 3SE |
| PETERS, Ian Alan Duncan RESIGNED | Secretary | 01 Dec 2000 | 11 Jul 2003 | | | Rectory Stables, Gay Street, Mells, Somerset, BA11 3PT |
| ROSSITER, Brian Edward RESIGNED | Secretary | 21 Jul 1993 | 18 Mar 1998 | | | 26 Oakdale Court, Downend, Bristol, South Gloucestershire, BS16 6DZ |
| 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 |
| VARCOE, Richard Antony Bruce, Dr RESIGNED | Secretary | 30 Jul 1998 | 01 Dec 2000 | | | 105 Thingwall Park, Fishponds, Bristol, BS16 2AR |
| ABLETT, Malcolm James RESIGNED | Director | | 18 Mar 1998 | England | September 1952 | Country Place Fir Tree Hill, Chandlers Cross, Sarratt, Hertfordshire, WD3 4LZ |
| BOLTER, Andrew Christopher RESIGNED | Director | 28 May 2003 | 01 Dec 2005 | | December 1970 | 110 North View Road, Crouch End, London, N8 7LP |
| 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 | | 30 Apr 1993 | | September 1951 | 10, Westerdale Drive Frimley, Camberley, Surrey, GU16 5RB |
| DRANSFIELD, Graham RESIGNED | Director | 11 Jul 2003 | 30 Jun 2008 | England | March 1951 | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| DRANSFIELD, Graham RESIGNED | Director | 18 Mar 1998 | 30 Jul 1998 | 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 |
| ELLIOTT, Robin RESIGNED | Director | 18 Jan 1995 | 31 May 1996 | | February 1949 | 7 Wood End Lane, Moulsoe, Newport Pagnell, Buckinghamshire, MK16 0HD |
| 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 |
| HARDMAN, Steven Neville RESIGNED | Director | 26 Jan 2001 | 31 Jan 2001 | | May 1968 | 171 Court Lane, London, SE21 7EE |
| HURRELL, Samantha Jane RESIGNED | Director | 18 Mar 1998 | 30 Jul 1998 | | August 1963 | Saffron Wharf, 20 Shad Thames, London, SE1 2YQ |
| LECLERCQ, Christian RESIGNED | Director | 02 Jun 2008 | 31 Mar 2010 | England | September 1965 | 2, Court Drive, Maidenhead, Berkshire, SL6 8LX, United Kingdom |
| LUDLAM, Kenneth John RESIGNED | Director | 18 Mar 1998 | 30 Jul 1998 | United Kingdom | September 1943 | 16 Woodchurch Drive, Bromley, Kent, BR1 2TH |
| MCARDLE, Gary Charles RESIGNED | Director | 18 Aug 2006 | 16 Jun 2008 | | October 1960 | 11a Grasmere Avenue, Harpenden, Hertfordshire, AL5 5PT |
| MEDDINS, John Frank RESIGNED | Director | 27 Sep 1993 | 18 Mar 1998 | | June 1935 | 23 Homefield Road, Radlett, Hertfordshire, WD7 8PX |
| MEINS, John Charles RESIGNED | Director | 30 Jul 1998 | 31 Dec 1999 | England | September 1939 | 31 Butler's Court Road, Beaconsfield, Buckinghamshire, HP9 1SQ |
| MENZIES-GOW, Robert Ian RESIGNED | Director | | 30 Apr 1993 | United Kingdom | September 1942 | Ashwell Cottage Church Close, Ashwell, Oakham, Leicestershire, LE15 7LP |
| MORRISH, Jonathan Peter RESIGNED | Director | 26 Jan 2001 | 31 Jan 2001 | | September 1970 | 2 Thornton Close, Crick, Northamptonshire, NN6 7GE |
| NICHOLSON, Paul William RESIGNED | Director | | 18 Mar 1998 | | April 1957 | Hammerfield, Cansiron Lane, Ashurst Wood, West Sussex, RH19 3SE |
| OGDEN, Michael Alan RESIGNED | Director | 16 Aug 2002 | 30 Jun 2004 | England | November 1954 | 5 West Mall, Clifton Village, Bristol, BS8 4BH |
| PETERS, Ian Alan Duncan RESIGNED | Director | 01 Oct 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 |
| REAVELL, David William RESIGNED | Director | | 31 May 1996 | United Kingdom | August 1953 | 1 Beech Grove, Station Road, Tring, Hertfordshire, HP23 5NU |
| REED, Edmund Michael RESIGNED | Director | 11 Jul 2003 | 30 Sep 2004 | England | February 1956 | 26 The Anchorage, Hempsted, Gloucester, Gloucestershire, GL2 5JW |
| SINDEL, Alan Robert Harold RESIGNED | Director | 11 Jul 2003 | 05 Jun 2006 | | February 1965 | 1 Goldney Avenue, Clifton, Bristol, Avon, BS8 4RA |
| SWIFT, Nicholas RESIGNED | Director | 11 Jul 2003 | 01 Jun 2007 | United Kingdom | June 1964 | 34 The Grove, Brookmans Park, Hertfordshire, AL9 7RN |
| TICEHURST, Jonathon Mark RESIGNED | Director | 30 Jun 1993 | 01 Feb 1994 | | March 1962 | The Old House, 64 High Street, Marshfield, Wiltshire, SN14 8LP |
| 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 |
| TURNER, Peter John RESIGNED | Director | | 24 Feb 1997 | | October 1944 | 75 Carlton Hill, St Johns Wood, London, NW8 0EN |
| VARCOE, Richard Antony Bruce, Dr RESIGNED | Director | 30 Jul 1998 | 01 Dec 2000 | United Kingdom | November 1959 | 105 Thingwall Park, Fishponds, Bristol, BS16 2AR |
| VIVIAN, Simon Neil RESIGNED | Director | 31 Dec 1999 | 30 Jun 2003 | United Kingdom | September 1957 | Pond Farm Cottage, Faulkland, Bath, Somerset, BA3 5YG |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 01 Dec 2016 | 11 Feb 2022 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| WILLARS, Robin RESIGNED | Director | 30 Jun 1993 | 31 May 1996 | | August 1947 | 39 Hantone Hill, Bathampton, Bath, BA2 6XD |
| YERBURY, John William Richard RESIGNED | Director | | 30 Nov 1993 | | March 1956 | 10 Bannerdown Close, Batheaston, Bath, BA1 7NJ |