| ALLEN, Jeanette ACTIVE | Secretary | 01 Sep 2010 | | | | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| ARCHER, Debbie, Professor ACTIVE | Director | 28 Jun 2023 | | United Kingdom | October 1973 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| BURFORD, John, Professor ACTIVE | Director | 25 Jun 2026 | | United Kingdom | September 1976 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| JENNINGS, Michele Elizabeth ACTIVE | Director | 26 Jun 2024 | | England | January 1967 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| JONES, Bronwen ACTIVE | Director | 28 Jun 2023 | | England | November 1963 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| SLATER, Josh, Professor ACTIVE | Director | 28 Jun 2023 | | Australia | April 1962 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| SOUTER, Juliet ACTIVE | Director | 26 Jun 2024 | | England | June 1969 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| BUTLER, Renee RESIGNED | Secretary | 07 Apr 1997 | 01 Nov 1997 | | | 89 Woollerton Court, Longwick Road, Princes Risborough, Buckinghamshire, HP27 0PP |
| JEPSON, Paul George Henry, Brigadier RESIGNED | Secretary | 01 Nov 1997 | 31 Jul 2010 | | | Speen Farm Slad Lane, Lacey Green, Princes Risborough, Buckinghamshire, HP27 0PP |
| SPURRY, John Roger, Brigadier RESIGNED | Secretary | | 01 Apr 1997 | | | Speen Farm, Princes Risborough, Buckinghamshire, HP27 0PP |
| AL NAKEEB, Lynda Alexandra RESIGNED | Director | 15 Apr 2004 | 20 May 2010 | | April 1957 | Upland House, Bungay, Suffolk, NR35 1PG |
| BARR, Alistair Robert Sanders, Professor RESIGNED | Director | 15 Apr 2004 | 20 May 2010 | Gbr | January 1958 | The Old Post Office, Burtle, Bridgwater, Somerset, TA7 8ND |
| BEVAN, Hugo RESIGNED | Director | 15 Apr 2003 | 12 May 2005 | | March 1936 | The Cottage, Little Everdon, Daventry, Northamptonshire, NN11 3BG |
| BOWEN, Mark, Professor RESIGNED | Director | 22 Jun 2016 | 23 Jun 2022 | England | May 1973 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| BUCHANAN, Elizabeth Faith Curner RESIGNED | Director | 01 Oct 2009 | 08 Jul 2015 | England | June 1962 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| CAMM, Ian Sutcliffe RESIGNED | Director | 13 Apr 2006 | 15 Oct 2007 | England | November 1958 | Oakleaze Bushy Farm, Breadstone, Berkeley, Gloucestershire, GL13 9HG |
| CARLETON PAGET, John Byng Oswald RESIGNED | Director | | 15 Jul 1999 | England | April 1939 | Manor Farm, Little Tew, Oxon, OX7 4HZ |
| CLEGG, Peter, Professor RESIGNED | Director | 21 Jun 2017 | 25 Jun 2026 | United Kingdom | March 1962 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| CLEGG, Peter, Professor RESIGNED | Director | 01 Oct 2009 | 22 Jun 2016 | United Kingdom | March 1962 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| CLYNE, Michael James, Dr RESIGNED | Director | | 15 Apr 2003 | England | November 1937 | 17 Kings College Road, Ruislip, Middlesex, HA4 8BQ |
| COOK, David Allan Hancock RESIGNED | Director | 21 Jul 2016 | 25 Jun 2026 | United Kingdom | November 1946 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| COOPER, Simon Christie, Major General Sir RESIGNED | Director | 18 Dec 2001 | 31 May 2007 | | February 1936 | West End House, Donhead St Andrew, Shaftesbury, Dorset, SP7 9DY |
| CRAWSHAY, Martin Richard Charles RESIGNED | Director | | 17 Dec 2001 | | January 1928 | The Old Vicarage, Levenheath, Colchester, Essex, CO6 4PT |
| DE MAULEY, Rupert Charles, Lord RESIGNED | Director | 22 Jun 2016 | 26 Jun 2025 | England | June 1957 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| DE MOLLER, June Frances RESIGNED | Director | 15 Jul 1999 | 14 Apr 2005 | England | June 1947 | 35 Cadogan Square, London, SW1X 0HU |
| DEWIRE, Katherine Elizabeth RESIGNED | Director | 23 May 2010 | 22 Nov 2012 | England | June 1979 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| DJIVANOVIC, Celia RESIGNED | Director | 26 May 2011 | 21 Jun 2017 | England | March 1963 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| EDWARDS, Gwilym Barrie, Professor RESIGNED | Director | 28 Jul 1994 | 15 Apr 2004 | | May 1938 | The Hollies, Tower Road North, Heswell, Merseyside, L60 6RS |
| GERRING, Edward Lawrence, Dr RESIGNED | Director | 28 Jul 1994 | 15 Jul 1999 | | January 1937 | Edgehill Little Badminton Lane, Lea, Malmesbury, SN16 9NG |
| GILBART-DENHAM, Seymour Vivian, Lieut Colonel Sir RESIGNED | Director | | 15 Apr 2004 | England | October 1939 | Kirby Cane Hall, Kirby Cane, Bungay, Suffolk, NR35 2HN |
| HENDERSON, Guy RESIGNED | Director | 13 Apr 2006 | 13 Jun 2013 | England | January 1958 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| HOUSBY-SKEGGS, Nicola RESIGNED | Director | 19 Sep 2018 | 01 Mar 2019 | England | April 1984 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| IRBY, Paul Anthony RESIGNED | Director | | 06 Nov 2002 | | August 1935 | 13 Colet Gardens, London, W14 9DH |
| JENKS, Richard Jedburgh RESIGNED | Director | | 15 Jul 1999 | | December 1937 | Manor Farm, Stoke Wake, Blandford Forum, Dorset, DT11 0HE |
| JOHNSTON, Francis James, Major RESIGNED | Director | | 15 Jul 1999 | | August 1928 | 347 High Street, Petworth, West Sussex, GU28 0AU |
| JONES, Bronwen RESIGNED | Director | 13 Jun 2013 | 23 Jun 2022 | England | November 1963 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| KENDALL, Andrew Thomas RESIGNED | Director | 11 Feb 2003 | 14 May 2009 | United Kingdom | August 1956 | Henstead Old Rectory, Beccles, Suffolk, NR34 7LA |
| KER, Jeremy, Major RESIGNED | Director | 15 Apr 2003 | 14 May 2009 | | February 1941 | Crossways, Wroxton, Oxon, OX15 6QD |
| LEES, Peter, Professor RESIGNED | Director | | 15 Jul 1999 | United Kingdom | July 1940 | 69 Marshals Drive, St Albans, Hertfordshire, AL1 4RD |
| LOVE, Sandy RESIGNED | Director | 15 Jul 1999 | 14 Apr 2005 | | March 1960 | Meikle Burntshields, Kilbarchan, Johnstone, Renfrewshire, PA10 2PD |
| LOYD, William Tetbert Vivian, Major RESIGNED | Director | | 08 Jul 1994 | | December 1937 | Pinkhill Farm, Eynsham, Witney, Oxfordshire, OX8 1JQ |
| MAGNAY, John Christopher Frederick RESIGNED | Director | 29 Jul 1993 | 15 Apr 2004 | England | January 1936 | Sulgrave Farm, Culworth, Banbury, Oxfordshire, OX17 2HH |
| MALAREE, Francisca Andrea RESIGNED | Director | 20 May 2010 | 13 Jun 2013 | United Kingdom | April 1974 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| MALLALIEU, Ann, Baroness RESIGNED | Director | 29 Jan 1998 | 17 Dec 2001 | United Kingdom | November 1945 | Studdridge Farm, Stokenchurch, Buckinghamshire, HP14 3XS |
| MANN, Rodney RESIGNED | Director | 01 Oct 2009 | 22 Jun 2016 | England | January 1942 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| MARRIOTT, Christopher James William RESIGNED | Director | 08 Jul 2015 | 26 Jun 2024 | England | April 1944 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| MAXWELL, Judith Ann RESIGNED | Director | 20 May 2010 | 14 Jun 2012 | United Kingdom | October 1951 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| MAY, Stephen Anthony, Professor RESIGNED | Director | 23 Apr 2008 | 25 Jun 2014 | United Kingdom | December 1955 | Manor Farm, Litlington, Royston, Hertfordshire, SG8 0QB |
| MAY, Stephen Anthony, Professor RESIGNED | Director | 15 Jul 1999 | 13 Apr 2006 | United Kingdom | December 1955 | Manor Farm, Litlington, Royston, Hertfordshire, SG8 0QB |
| MCAINSH, James RESIGNED | Director | | 06 Jul 2000 | | April 1930 | Roselyon House, Redbourn Lane, Harpenden, Herts, AL5 2AZ |
| MCGILLYCUDDY, Laura RESIGNED | Director | 19 Jun 2019 | 26 Jun 2025 | England | August 1978 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| MCGORUM, Bruce Campbell, Professor RESIGNED | Director | 08 Jul 2015 | 26 Jun 2024 | Scotland | March 1961 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| MUMFORD, Jennifer Anne, Dr RESIGNED | Director | 15 Apr 2004 | 14 May 2009 | | January 1947 | Amwell House, 6 Millington Road, Cambridge, Cambridgeshire, CB3 9HP |
| MUMFORD, Jennifer Anne, Dr RESIGNED | Director | 28 Jul 1994 | 15 Apr 2003 | | January 1947 | Amwell House, 6 Millington Road, Cambridge, Cambridgeshire, CB3 9HP |
| NEAL, Rupert Hugh Maxwell RESIGNED | Director | 21 Jun 2017 | 25 Jun 2026 | England | March 1952 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| POETT, Lucy Erica Mary RESIGNED | Director | 03 Nov 2005 | 14 Jun 2012 | Scotland | January 1943 | House Of Mailer, Perth, PH2 0QA |
| RODDIS, Caroline RESIGNED | Director | 21 Nov 2018 | 26 Jun 2025 | England | March 1987 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| SAMUELSON, Julian RESIGNED | Director | 26 May 2011 | 21 Jun 2017 | England | January 1961 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| SINCLAIR, Alan Gordon William RESIGNED | Director | 26 May 2011 | 21 Jun 2017 | England | September 1956 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| SLATER, Julian David, Professor RESIGNED | Director | 14 Jun 2012 | 22 Sep 2021 | England | April 1962 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| SLATER, Julian David, Professor RESIGNED | Director | 14 Apr 2005 | 26 May 2011 | England | April 1962 | 27, Ferry Path, Cambridge, Cambridgeshire, CB4 1HB |
| SMYTH OSBOURNE, Charles William RESIGNED | Director | 14 Apr 2005 | 26 May 2011 | United Kingdom | March 1959 | Rectory Farm, Sulgrave, Banbury, Oxon, OX17 2SG |
| SOAMES, Camilla Rose RESIGNED | Director | 08 Jul 2015 | 25 Nov 2020 | England | March 1960 | Westcroft Stables, Slad Lane Lacey Green, Princes Risborough, Bucks , HP27 0PP |
| SWEETING, Christopher Rupert Ralph RESIGNED | Director | 14 Apr 2005 | 26 May 2011 | England | February 1965 | Courtfield Farmhouse, Chetwode, Buckingham, Buckinghamshire, MK18 4BB |
| TAIT, Michael Logan RESIGNED | Director | 15 Jul 1999 | 14 Apr 2005 | | September 1936 | 8 Chalcot Crescent, London, NW1 8YD |
| TAVERNOR, William Derek, Professor RESIGNED | Director | | 03 Oct 2001 | | March 1930 | Shercot, Rignall Road, Great Missenden, Buckinghamshire, HP16 9PE |
| WINGFIELD DIGBY, Nicholas John RESIGNED | Director | 15 Jul 1999 | 14 Apr 2005 | British | December 1948 | Lanwades, Moulton Road, Kennett, Newmarket, Suffolk, CB8 8QS |