| BUXTON, Robin David, Dr ACTIVE | Director | 02 Nov 2007 | | England | May 1950 | The Homestead, High Street, Harwell, Didcot, Oxfordshire, OX11 0EX |
| CAHN, Martin Gabriel ACTIVE | Director | 02 Nov 2007 | | England | May 1949 | 18, Hereward Close, Impington, Cambridge, CB24 9LS, England |
| CREED, Peter Charles ACTIVE | Director | | | United Kingdom | March 1951 | 6 Norreys Avenue, Oxford, Oxfordshire, OX1 4SS |
| FOWLER, Sarah Louise ACTIVE | Director | | | England | February 1958 | 2c Votec Centre, Hambridge Lane, Newbury, RG14 5TN, England |
| GORIUP, Paul David ACTIVE | Director | | | United Kingdom | July 1955 | 37 Greenham Road, Newbury, Berkshire, RG14 7HY |
| EVERETT, Susan Joy RESIGNED | Secretary | | 31 Aug 2001 | | | 122 Derwent Road, Thatcham, Newbury, Berkshire, RG19 3UP |
| ROWNEY, Charles Michael RESIGNED | Secretary | 31 Aug 2001 | 10 May 2002 | | | 3 Flint Cottages Jevington, Polegate, East Sussex, BN26 5QF |
| STRIKE, Laurence Adair RESIGNED | Secretary | 10 May 2002 | 31 Mar 2026 | | | Cot Hayes, Shop Lane, Leckhampstead, Newbury, Berkshire, RG20 8QG, United Kingdom |
| BACON, Philip Steven, Dr RESIGNED | Director | | 04 Apr 2008 | | August 1955 | 19b St Margaret's Road, Oxford, Oxfordshire, OX2 6RX |
| CLARK, Thomas RESIGNED | Director | | 08 Apr 1998 | | February 1951 | 33 Clarence Road, London, SW19 8QF |
| EVERETT, Susan Joy RESIGNED | Director | | 31 Aug 2001 | | December 1956 | 122 Derwent Road, Thatcham, Newbury, Berkshire, RG19 3UP |
| HAYNES, Thomas Arthur RESIGNED | Director | 01 Jul 2013 | 04 Oct 2018 | England | September 1982 | 36 Kingfisher Court, Hambridge Road, Newbury, Berkshire , RG14 5SJ |
| KARPOWICZ, Zbigniew RESIGNED | Director | 01 Oct 2004 | 05 Feb 2007 | | January 1955 | 26 Ramsden Square, Cambridge, Cambridgeshire, CB4 2BJ |
| MACDONALD, David, Professor RESIGNED | Director | | 27 Nov 2008 | United Kingdom | September 1951 | Bankfield Lodge, Stand Lake, Oxfordshire, OX29 7QB |
| PETERKEN, George Frederick, Doctor RESIGNED | Director | 02 Jul 1994 | 01 Mar 2000 | | October 1940 | Beechwood House, St Briavels Common, Lydney, Gloucestershire, GL15 6SL |
| REUSCHE, Gary Arthur, Dr RESIGNED | Director | 03 Jul 2012 | 14 Nov 2014 | Ukraine | October 1951 | 36 Kingfisher Court, Hambridge Road, Newbury, Berkshire , RG14 5SJ |
| REUSCHE, Gary Arthur, Dr RESIGNED | Director | 02 Nov 2007 | 12 Mar 2012 | Ukraine | October 1951 | Apt 62 U1 Frunze 14-18, Kyiv, 04080, Ukraine |
| ROWNEY, Charles Michael RESIGNED | Director | 11 Jan 1999 | 10 May 2002 | United Kingdom | April 1965 | 3 Flint Cottages Jevington, Polegate, East Sussex, BN26 5QF |
| RUIZ, Brigitte RESIGNED | Director | 20 Apr 2010 | 03 Jul 2012 | England | April 1963 | 68, Rectory Close, Newbury, Berkshire, RG14 6DD, England |
| STRIKE, Laurence Adair RESIGNED | Director | 01 Jul 2011 | 31 Mar 2026 | United Kingdom | January 1944 | 2c Votec Centre, Hambridge Lane, Newbury, RG14 5TN, England |