| KENYON, Neil James ACTIVE | Secretary | 31 Aug 2012 | | | | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| BEER, Andrew David ACTIVE | Director | 18 Sep 2024 | | England | November 1968 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| BENNETT, James Hywel ACTIVE | Director | 18 May 2023 | | United Kingdom | November 1977 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| BROYD, Richard ACTIVE | Director | | | United Kingdom | October 1948 | 22 Bedford Gardens, Kensington, London, W8 7EH |
| CHATARD, Lionel Antoine Joseph ACTIVE | Director | 01 May 2010 | | United Kingdom | June 1972 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| FEENEY, Chris John ACTIVE | Director | 01 Mar 2014 | | England | March 1963 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| HUGHES, Kevin ACTIVE | Director | 14 Sep 2022 | | England | November 1990 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| KENYON, Neil James ACTIVE | Director | 01 Jul 2013 | | United Kingdom | May 1974 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| PORRITT, Sarah Elizabeth ACTIVE | Director | 24 Sep 2008 | | England | January 1953 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| ROBERTS, Elgan Lloyd ACTIVE | Director | 03 Aug 2017 | | Wales | February 1971 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| LEWIS, Anthony John RESIGNED | Secretary | | 31 Aug 2012 | | | Blandford House, Blandford Close, London, N2 0DH, United Kingdom |
| BROADBENT, Frank Malcolm RESIGNED | Director | | 22 Jun 2001 | | February 1951 | 12 Welford Place, Wimbledon, London, SW18 5AJ |
| COPESTAKE, Andrew Paul RESIGNED | Director | 01 Mar 2014 | 06 May 2016 | England | May 1958 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| COSTLEY, Sharon Julie RESIGNED | Director | 01 Mar 2010 | 18 May 2011 | United Kingdom | March 1962 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| HEELEY, Harry Clifford William RESIGNED | Director | 01 Mar 2014 | 05 Feb 2016 | Wales | March 1976 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| JOHNSON, Matthew Anthony Chadwick RESIGNED | Director | 15 Sep 2000 | 02 Aug 2021 | United Kingdom | October 1971 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| JORDAN, Jacqueline Emily RESIGNED | Director | 05 Feb 2016 | 01 Apr 2019 | England | August 1968 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| LEWIS, Anthony John RESIGNED | Director | | 31 Aug 2012 | United Kingdom | October 1950 | Blandford House, Blandford Close, London, N2 0DH, United Kingdom |
| MAYES, Colin Anthony Horsley RESIGNED | Director | | 14 Jan 2010 | United Kingdom | November 1938 | 73 Castelnau, Barnes, London, SW13 9RT |
| RICHARDSON, Celia RESIGNED | Director | 15 May 2019 | 01 May 2025 | England | May 1973 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| SWIFT, Stephen Paul RESIGNED | Director | 24 Sep 2008 | 19 May 2011 | England | May 1953 | Llama Farm, Old House Land Romsley, Halesowen, Worcestershire, B62 0EX |
| THOMPSON, Charles Arthur Jonathan RESIGNED | Director | | 15 Sep 2016 | United Kingdom | May 1954 | The Bailiffs Cottage, Hartwell House Oxford Road, Aylesbury, Bucks, HP17 8NL |
| TUFFS, Helen Elizabeth RESIGNED | Director | 01 Sep 2011 | 20 Jul 2012 | England | April 1959 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |
| VERMEULEN, Peter RESIGNED | Director | 06 May 2016 | 18 May 2023 | England | August 1975 | Hartwell House, Oxford Road, Hartwell Aylesbury, Bucks, HP17 8NR |