| BROWN, Andrew James ACTIVE | Director | 31 Oct 2023 | | England | February 1964 | Howbery Park, Wallingford, Oxfordshire, OX10 8BA, United Kingdom |
| CHADWICK, Thomas RESIGNED | Secretary | | 31 Dec 1995 | | | The Mount Cat Lane, Ewelme, Wallingford, Oxfordshire, OX10 6HX |
| NORRIS, Nicole Ann Jane RESIGNED | Secretary | 01 Jan 2008 | 28 Jan 2022 | | | 2 Wells Hill Cottages, Froyle Lane, Hook, Hampshire, RG29 1SF |
| ORMSTON, John Robert RESIGNED | Secretary | 01 Jan 1996 | 31 Dec 2007 | | | Norwood House, 49a St Cross Road, Winchester, Hampshire, SO23 9PS |
| PADDON, Rachel RESIGNED | Secretary | 28 Jan 2022 | 25 May 2022 | | | Howbery Park, Wallingford, Oxfordshire, OX10 8BA |
| ABDI LLAHI, Mohamed Haji Askar RESIGNED | Director | 01 Nov 2004 | 12 Aug 2009 | | December 1952 | 13 Hazel Grove, Badger Farm, Winchester, Hampshire, SO22 4PQ |
| ANDREWS, Anthony James RESIGNED | Director | 31 Mar 2007 | 16 Jan 2009 | | January 1965 | 33 Kennedy Crescent, Cholsey, Oxfordshire, OX10 9QZ |
| BANFIELD, Paul Andrew RESIGNED | Director | 01 Feb 2002 | 12 Aug 2009 | | July 1963 | 17a The Dell, Kingsclere, Newbury, Berkshire, RG20 5NL |
| BROWN, Andrew James RESIGNED | Director | 01 Jan 2009 | 12 Aug 2009 | | February 1964 | 37, Mill Street, Ludlow, Shropshire, SY8 1BG |
| CHADWICK, Thomas RESIGNED | Director | | 31 Dec 1995 | | October 1936 | The Mount Cat Lane, Ewelme, Wallingford, Oxfordshire, OX10 6HX |
| DELAPLACE, Didier Max RESIGNED | Director | 05 May 1993 | 31 Oct 1994 | | May 1952 | 25 Cavell Road, Oxford, OX4 4AS |
| FORTUNE, David John RESIGNED | Director | 14 Feb 2001 | 12 Aug 2009 | | June 1957 | 2 Manor Cottages, Lower Thorpe Mandeville, Banbury, Oxfordshire, OX17 2HP |
| HERBERT, Nigel Paul Stewart RESIGNED | Director | 16 Mar 2017 | 27 Jul 2017 | England | March 1959 | Howbery Park, Wallingford, Oxfordshire, OX10 8BA |
| HUNTINGTON, Stephen William, Dr RESIGNED | Director | 12 Feb 2008 | 31 Oct 2016 | England | February 1947 | Howbery Park, Wallingford, Oxfordshire, OX10 8BA |
| HUNTINGTON, Stephen William, Dr RESIGNED | Director | 31 Jul 2000 | 31 Mar 2007 | England | February 1947 | Littleholt, Beech Lane, Woodcote, Reading, Berkshire, RG8 0PX |
| LEEMING, Graham David RESIGNED | Director | 27 Jul 2017 | 18 Nov 2022 | England | September 1968 | Howbery Park, Wallingford, Oxfordshire, OX10 8BA |
| MURRAY-UPTON, Barrie RESIGNED | Director | 07 Oct 1993 | 31 Jul 2000 | | January 1944 | 11 Greenhills Road, Charlton Kings, Cheltenham, Gloucestershire, GL53 9EB |
| ORMSTON, John Robert RESIGNED | Director | 01 Jan 1996 | 24 Jul 2014 | United Kingdom | May 1953 | Howbery Park, Wallingford, Oxfordshire, OX10 8BA |
| PATTERSON, Lauren Katherine Stewart RESIGNED | Director | 24 Jul 2014 | 16 Mar 2017 | England | April 1976 | Howbery Park, Wallingford, Oxfordshire, OX10 8BA |
| PRICE, Roland Kendrick, Dr RESIGNED | Director | 05 May 1993 | 31 Mar 1999 | | December 1941 | Bentincksraat 129, 2582 St Den Haag, Netherlands, FOREIGN |
| SCOTT, Stephen Derrick RESIGNED | Director | 18 Mar 1997 | 20 Aug 1999 | | May 1962 | 5 Arborfield Grange, Reading Road, Arborfield, Berkshire, RG2 9HW |
| SMALLMAN, Jane Victoria, Doctor RESIGNED | Director | 12 Feb 2008 | 22 Jan 2015 | England | December 1957 | Howbery Park, Wallingford, Oxfordshire, OX10 8BA |
| THORN, Michael Frederick Cirtees RESIGNED | Director | 05 May 1993 | 26 Oct 1995 | | October 1942 | 18 Thames Mead, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8EX |
| TOMLINSON, Bruce Nicholas, Dr RESIGNED | Director | 18 Nov 2022 | 31 Oct 2023 | England | August 1965 | Howbery Park, Wallingford, Oxfordshire, OX10 8BA |
| TUNSTALL, Stephen James RESIGNED | Director | 27 Nov 2000 | 31 Aug 2009 | | November 1955 | The Cottage, The Holloway, Harwell, Oxfordshire, OX11 0LS |
| WEARE, Trevor John, Dr RESIGNED | Director | | 31 Mar 1999 | | December 1943 | Rose Cottage, Dunsomer Hill North Moreton, Wallingford, Oxfordshire, OX9 |
| WIXCEY, John Robert, Dr RESIGNED | Director | 01 Apr 1998 | 31 Dec 2000 | | January 1965 | 5 Cooper Place, Headington Quarry, Oxford, Oxfordshire, OX3 8JW |