| HOPKINSON, Christopher Neil, Mr. ACTIVE | Director | 05 Jun 2020 | | England | February 1969 | Millennium House, 65 Walton Street, Aylesbury, HP21 7QG, United Kingdom |
| INGRAHAM, Kathryn Delaine ACTIVE | Director | 11 Sep 2025 | | United States | November 1968 | Millennium House, 65 Walton Street, Aylesbury, HP21 7QG, United Kingdom |
| BUCKINGHAM, Norman James RESIGNED | Secretary | 22 Oct 1997 | 31 Aug 1998 | | | 19 Rugosa Road, West End, Woking, Surrey, GU24 9PA |
| COLVIN, Roger Graham RESIGNED | Secretary | | 04 Nov 1991 | | | Gilridge Lodge Magham Down, Hailsham, Eastbourne, East Sussex, BN27 1QB |
| GEDDIE, Richard Mark RESIGNED | Secretary | 01 Apr 2003 | 30 Apr 2018 | | | 15 Pine Grove, Bricket Wood, St. Albans, Hertfordshire, AL2 3ST |
| GRIMES, Robert Michael RESIGNED | Secretary | 30 Apr 2018 | 23 Sep 2019 | | | Oxford House, Oxford Road, Aylesbury, Buckinghamshire, HP21 8SZ |
| MOLINEUX, Keith Leslie RESIGNED | Secretary | 04 Nov 1991 | 22 Oct 1997 | | | 12 Beuzeville Avenue, Hailsham, East Sussex, BN27 3PB |
| O REILLY, Patrick John RESIGNED | Secretary | 06 Sep 1999 | 01 Apr 2003 | | | 15 Delisle Road, Gallions Reach, Thamesmead, London, SE28 0JD |
| PRIOR, Katherine Alexandra RESIGNED | Secretary | 23 Sep 2019 | 17 Jan 2022 | | | Oxford House, Oxford Road, Aylesbury, Buckinghamshire, HP21 8SZ |
| WILSON, Kenneth Young RESIGNED | Secretary | 31 Aug 1998 | 06 Sep 1999 | | | 71 Fyne Drive, Leighton Buzzard, Bedfordshire, LU7 2YG |
| BARR, Reginald Kenneth Sidney RESIGNED | Director | | 06 Aug 1997 | | October 1930 | Claremont House Milton Street, Polegate, Eastbourne, East Sussex, BN26 5RP |
| CHAPMAN, Paul Guy RESIGNED | Director | 01 Oct 2004 | 02 May 2006 | England | June 1965 | 51 Tempest Mead, North Weald, Epping, Essex, CM16 6DY |
| COLVIN, Roger Graham RESIGNED | Director | | 01 May 1998 | | January 1952 | Gilridge Lodge Magham Down, Hailsham, Eastbourne, East Sussex, BN27 1QB |
| DAVIES, Emma Susan RESIGNED | Director | 27 Oct 2008 | 20 Apr 2011 | United Kingdom | December 1971 | Lawn Hill Cottage, Claydon, Oxfordshire, OX17 1ET |
| DIAMOND, Malcolm Mcdonald RESIGNED | Director | 30 Nov 1995 | 06 Aug 1997 | England | September 1948 | Diamond Cottage, Five Ash Down, Uckfield, East Sussex, TN22 3AJ |
| FENWICK, Neal Vernon RESIGNED | Director | 06 Aug 1997 | 31 Jan 2000 | | May 1961 | 29 Meare Close, Tadworth, Surrey, KT20 5RZ |
| GEDDIE, Richard Mark RESIGNED | Director | 05 Jun 2020 | 19 Apr 2024 | England | September 1970 | Millennium House, 65 Walton Street, Aylesbury, HP21 7QG, United Kingdom |
| GEDDIE, Richard Mark RESIGNED | Director | 13 Feb 2007 | 30 Apr 2018 | England | September 1970 | 15 Pine Grove, Bricket Wood, St. Albans, Hertfordshire, AL2 3ST |
| GOSLING, Paul Richard RESIGNED | Director | 01 Jul 1994 | 01 May 1998 | | April 1947 | Leyhurst Barn North Street, Hellingly, Hailsham, East Sussex, BN27 4EF |
| GRIMES, Robert Michael RESIGNED | Director | 23 Sep 2019 | 01 Jun 2020 | England | March 1980 | Oxford House, Oxford Road, Aylesbury, Buckinghamshire, HP21 8SZ |
| GUEST, Richard Hamilton RESIGNED | Director | 02 May 2006 | 13 Feb 2007 | England | January 1958 | 7 Townshend Road, Richmond, TW9 1XH |
| HOPKINSON, Christopher Neil, Mr. RESIGNED | Director | 07 Jul 2015 | 30 Apr 2018 | England | February 1969 | Oxford House, Oxford Road, Aylesbury, Buckinghamshire, HP21 8SZ |
| KENT, Peter Frederick RESIGNED | Director | | 06 Aug 1997 | | June 1935 | Riseholme Tylers Green, Cuckfield, Haywards Heath, West Sussex, RH17 5EA |
| MOODIE, Gordon Murray RESIGNED | Director | 06 Sep 1999 | 03 Jan 2003 | | December 1953 | 1 Forest Lodge, Epsom Road, Ashtead, Surrey, KT21 1JX |
| MUNK, Peter RESIGNED | Director | 30 Nov 2006 | 23 Jul 2010 | United Kingdom | July 1963 | 58 Geffers Ride, Ascot, Berkshire, SL5 7JZ |
| PAGE, Andrew Stephen RESIGNED | Director | 20 Apr 2011 | 07 Jul 2015 | England | May 1957 | 29, Russell Avenue, Bedford, Bedfordshire, MK40 3TD, England |
| PAGE, Andrew Stephen RESIGNED | Director | 31 Mar 2005 | 30 Nov 2006 | England | May 1957 | 29 Russell Avenue, Bedford, Bedfordshire, MK40 3TD |
| PAGE, Andrew Stephen RESIGNED | Director | 17 Dec 2002 | 01 Oct 2004 | England | May 1957 | 29 Russell Avenue, Bedford, Bedfordshire, MK40 3TD |
| PETTICAN, Charles William RESIGNED | Director | 29 May 2001 | 31 Mar 2005 | | March 1950 | 136 Nine Mile Ride, Finchampstead, Wokingham, Berkshire, RG40 4JA |
| PRIOR, Katherine Alexandra RESIGNED | Director | 05 Jun 2020 | 17 Jan 2022 | England | December 1982 | Oxford House, Oxford Road, Aylesbury, Buckinghamshire, HP21 8SZ |
| PROWER, Aubyn James Sugden RESIGNED | Director | 09 Oct 1995 | 22 Dec 1997 | United Kingdom | March 1955 | Marchants, Lower Station Road Newick, Lewes, East Sussex, BN8 4HT |
| SCHNEIDER, Pamela Rolnick RESIGNED | Director | 17 Jan 2022 | 11 Sep 2025 | United States | November 1959 | Millennium House, 65 Walton Street, Aylesbury, HP21 7QG, United Kingdom |
| SMITH, Colin Eric RESIGNED | Director | | 04 Nov 1991 | | October 1943 | Friston Down Old Willingdon Road, Friston, Eastbourne, East Sussex, BN20 0AT |
| THOMAS, Walter Joe, Dr RESIGNED | Director | 07 Mar 2017 | 22 May 2020 | United Kingdom | April 1966 | Oxford House, Oxford Road, Aylesbury, Buckinghamshire, HP21 8SZ |
| TRUSSLER, Gary John RESIGNED | Director | 06 Aug 1997 | 31 Oct 2001 | United Kingdom | March 1943 | 5 Pilgrims Lakes Church Road, Harrietsham, Maidstone, Kent, ME17 1BY |