| PAYLING, Gerald Andrew ACTIVE | Secretary | 13 Nov 2008 | | | | Trusted Business Advisor Limited, Verna House, 9 Bicester Road, Aylesbury, HP19 9AG, England |
| PAYLING, Gerald Andrew ACTIVE | Director | 28 Feb 2009 | | England | January 1961 | Trusted Business Advisor Limited, Verna House, 9 Bicester Road, Aylesbury, HP19 9AG, England |
| BAKER, Stephen Reginald RESIGNED | Secretary | | 29 Feb 2008 | | | Jamark, 2 Tattlers Hill, Wingrave, Aylesbury, Buckinghamshire, HP22 4PU |
| BAKER, Stephen Reginald RESIGNED | Director | 14 May 1997 | 29 Feb 2008 | | May 1944 | Jamark, 2 Tattlers Hill, Wingrave, Aylesbury, Buckinghamshire, HP22 4PU |
| CAVENAGH, Stephen John RESIGNED | Director | 18 Feb 2009 | 12 Feb 2018 | Wales | April 1964 | 4, Denby Walk, Aylesbury, Buckinghamshire, HP20 1LW, England |
| DAWES, Donald John RESIGNED | Director | 28 Apr 1994 | 18 Jun 1998 | England | March 1935 | Woodside Farm Church Lane, Remenham, Henley On Thames, Oxfordshire, RG9 3EX |
| FULLER, Jean RESIGNED | Director | | 17 Mar 1994 | United Kingdom | October 1937 | Brickwall Farm, Sible Hedingham, Halstead, Essex, CO9 |
| GUINNESS, Howard Christian Sheldon, Sir RESIGNED | Director | | 26 Sep 2000 | | June 1932 | Manor House, Glanvilles Wootton, Sherborne, Dorset, DT9 5QF |
| HOSKING, Godfrey Malcolm RESIGNED | Director | 29 Jul 1999 | 26 Sep 2000 | | September 1958 | Bostenna Home Farm, St. Baryon, Penzance, Cornwall, TR19 6DG |
| MCNAMARA, Michael Laurence RESIGNED | Director | | 26 Sep 2000 | | July 1951 | Drim Farm, Llawhaden, Narberth, Dyfed, SA67 8DN |
| MEYNELL, Anthony Charles RESIGNED | Director | | 24 Jun 1999 | | July 1952 | Berry Hall Farm, Honingham, Norfolk, NR9 5AX |
| MILLS, David Francis RESIGNED | Director | | 17 Mar 1994 | England | January 1943 | British Wildlife Centre, Eastbourne Road, Newchapel, Lingfield, Surrey, RH7 6LF |
| OSULLIVAN, Anthony Christopher, Dr RESIGNED | Director | | 30 Nov 1994 | | December 1936 | Tudor Cottage High Street, Souldern, Bicester, Oxfordshire, OX6 9JP |
| POSNETT, Robert John RESIGNED | Director | | 30 Apr 1998 | | June 1929 | Haughton Hall, Tarporley, Cheshire, CW6 9LY |
| SHAW, David Edward RESIGNED | Director | 18 Mar 1993 | 31 Mar 2026 | United Kingdom | May 1949 | 9, Bessemer Crescent, Rabans Lane Industrial Area, Aylesbury, HP19 8TF, England |
| TAYLOR, John Edward RESIGNED | Director | | 26 Sep 2000 | United Kingdom | January 1936 | Charlton Hill Farm, Sigwells, Sherborne, Dorset, DT9 4LZ |
| TOMKINSON, Jonathan RESIGNED | Director | 23 Jul 1998 | 24 Nov 1999 | | August 1945 | Punchards Farm High Town Green, Rattlesden, Bury St Edmunds, Suffolk, IP30 0SX |
| WALTON, Vivian Haig RESIGNED | Director | | 19 Mar 1992 | | February 1932 | Stansted Lodge Farm, Stansted, Sevenoaks, Kent, TN15 7RP |
| YEWDALL, John Antony RESIGNED | Director | 01 Feb 1996 | 24 Jun 1999 | | August 1934 | West Webbery Farm Little Webbery, Alverdiscott, Bideford, Devon, EX39 4PS |