| JEFFERIES, Graham Michael John ACTIVE | Secretary | 16 Feb 1996 | | | | 7 Shepherds Close, Fenditton, Cambridge, CB5 8XJ |
| BLOXHAM, David Marston ACTIVE | Director | 30 Sep 1994 | | United Kingdom | June 1960 | 5 Shepherds Close, Fen Ditton, Cambridge, CB5 8XJ |
| EDWARDS, Alan John ACTIVE | Director | 30 Oct 2001 | | United Kingdom | June 1959 | 8 Shepherds Close, Fen Ditton, Cambridge, Cambridgeshire, CB5 8XJ |
| FEARNLEY, Ian Martin, Dr ACTIVE | Director | 01 Dec 2003 | | United Kingdom | February 1959 | 3 Shepherds Close, Fen Ditton, Cambridge, Cambridgeshire, CB5 8XJ |
| JEFFERIES, Graham Michael John ACTIVE | Director | 16 Aug 1994 | | England | May 1957 | 7 Shepherds Close, Fenditton, Cambridge, CB5 8XJ |
| TURNER, Robert Michael ACTIVE | Director | 10 Jul 2012 | | England | December 1957 | 7 Shepherds Close, Fenditton, Cambridgeshire, CB5 8XJ |
| WHITE, David Brian ACTIVE | Director | 07 Jul 2020 | | England | May 1957 | 1, Shepherds Close, Fen Ditton, Cambridge, CB5 8XJ, England |
| WALKER, Graham Edward RESIGNED | Secretary | 07 Jul 1993 | 16 Feb 1996 | | | Whittleford, Little Shelford, Cambs |
| ASHCROFT CAMERON SECRETARIES LIMITED RESIGNED | Nominee Secretary | 05 Jul 1993 | 07 Jul 1993 | | | 4 Rivers House, Fentiman Walk, Hertford, Hertfordshire, SG14 1DB |
| BODEN, Stephen Michael RESIGNED | Director | 30 Sep 1994 | 30 Oct 2001 | | May 1950 | 8 Shepherds Close, Fen Ditton, Cambridge, CB5 8XJ |
| DEAVILLE, Derek Peter RESIGNED | Director | 30 Sep 1994 | 14 Jun 2005 | | June 1947 | 2 Shepherds Close, Fen Ditton, Cambridge, CB5 8XJ |
| GIBBS, Stuart Thurton RESIGNED | Director | 30 Sep 1994 | 30 Jun 2007 | | August 1963 | 1 Shepherds Close, Fen Ditton, Cambridge, CB5 8XJ |
| JUDSON, David John RESIGNED | Director | 29 Jun 2020 | 03 May 2026 | England | January 1969 | 7 Shepherds Close, Fenditton, Cambridgeshire, CB5 8XJ |
| LECHNER, Margaret Eleanor RESIGNED | Director | 30 Sep 1994 | 05 Sep 2003 | | March 1941 | 4 Shepherds Close, Fen Ditton, Cambridge, CB5 8XJ |
| MARTIN, Keith Robert, Professor RESIGNED | Director | 05 Sep 2003 | 29 Jun 2020 | England | April 1969 | 4 Shepherd's Close, Fen Ditton, Cambridgeshire, CB5 8XJ |
| READER, John Granville RESIGNED | Director | 30 Sep 1994 | 11 Dec 2003 | | March 1934 | 6 Shepherds Close, Fen Ditton, Cambridge, CB5 8XJ |
| READER, Olive Alethea RESIGNED | Director | 11 Dec 2003 | 20 Apr 2007 | | February 1940 | 6 Shepherds Close, Fen Ditton, Cambridge, Cambridgeshire, CB5 8XJ |
| REED, Geoffrey Ronald RESIGNED | Director | 30 Sep 1994 | 01 Dec 2003 | | April 1943 | 3 Shepherds Close, Fen Ditton, Cambridge, CB5 8XJ |
| WALKER, Cyril Brien RESIGNED | Director | 07 Jul 1993 | 01 Oct 1994 | United Kingdom | October 1926 | Rosewood Lodge Ditton Green, Woodditton, Newmarket, Suffolk, CB8 9SQ |
| WALKER, Graham Edward RESIGNED | Director | 07 Jul 1993 | 30 Sep 1994 | | April 1957 | Whittleford, Little Shelford, Cambs |
| ASHCROFT CAMERON NOMINEES LIMITED RESIGNED | Nominee Director | 05 Jul 1993 | 07 Jul 1993 | | | 4 Rivers House, Fentiman Walk, Hertford, Hertfordshire, SG14 1DB |