| STRACHAN, Lucian Wesley ACTIVE | Secretary | 18 Jul 2022 | | | | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| FERN, Richard Andrew ACTIVE | Director | 11 Jul 2022 | | England | February 1980 | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| SINGH, Robert James Ramon, Dr ACTIVE | Director | 15 Nov 2019 | | England | October 1976 | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| ANDERSON, Shereen Alison RESIGNED | Secretary | 23 Sep 2009 | 23 Jul 2012 | | | University Of Essex, Wivenhoe Park, Colchester, Essex, CO4 3SQ, United Kingdom |
| CONNOLLY, Andrew RESIGNED | Secretary | 02 Jul 2001 | 23 Sep 2009 | | | 12 Coopers Crescent, West Bergholt, Colchester, Essex, CO6 3SJ |
| GOLDSMITH, Naomi Jane RESIGNED | Secretary | 27 Jul 2017 | 29 Sep 2020 | | | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| GORRINGE, Jonathan Peter RESIGNED | Secretary | 31 Dec 1998 | 27 Apr 2001 | | | The Dell Church Road, Wormingford, Colchester, Essex, CO6 3AZ |
| HAW, Ian Peter RESIGNED | Secretary | 29 Sep 2020 | 18 Jul 2022 | | | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| NEWCOMB, Edgar RESIGNED | Secretary | | 27 Oct 1992 | | | Tudor House The Green, Elmstead Market, Colchester, Essex, CO7 7AG |
| OLIVER, Ryan Lewis RESIGNED | Secretary | 23 Jul 2012 | 07 Jul 2013 | | | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| PEARCE, Sally Elizabeth RESIGNED | Secretary | 12 Dec 2013 | 27 Jul 2017 | | | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| RICH, Anthony Hampden, Dr RESIGNED | Secretary | 27 Apr 2001 | 02 Jul 2001 | | | 2 The Lindens, Colchester, Essex, CO3 3WD |
| WOODBURN, Alexander Fraser RESIGNED | Secretary | 27 Oct 1992 | 31 Dec 1998 | | | 5 Aldeburgh Gardens, Highwoods, Colchester, Essex, CO4 4XR |
| ALBANO, Marco RESIGNED | Director | 23 Jul 2012 | 11 Jul 2022 | England | February 1970 | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| CONNOLLY, Andrew RESIGNED | Director | 02 Jul 2001 | 31 Jan 2012 | United Kingdom | December 1962 | 12 Coopers Crescent, West Bergholt, Colchester, Essex, CO6 3SJ |
| GORRINGE, Jonathan Peter RESIGNED | Director | | 27 Apr 2001 | | September 1952 | The Dell Church Road, Wormingford, Colchester, Essex, CO6 3AZ |
| HUSTON, William John RESIGNED | Director | 15 Nov 1995 | 28 May 2004 | | June 1951 | Woodvale, Heath Road Woolpit, Bury St Edmunds, Suffolk, IP30 9RU |
| KEIR, Fraser William RESIGNED | Director | 16 Dec 2022 | 22 Dec 2023 | England | September 1972 | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| LAVINGTON, Simon Hugh, Professor RESIGNED | Director | 17 Feb 1992 | 24 Apr 2002 | | December 1939 | Lemon Tree Cottage 46 High Street, Sproughton, Ipswich, Suffolk, IP8 3AH |
| LEWIS, Derek Compton RESIGNED | Director | 01 Aug 2001 | 06 Jan 2003 | England | July 1946 | Woodlands Farmhouse Thoby Lane, Mount Nessing, Brentwood, Essex, CM15 0SY |
| MASSARA, Robert Edwin, Professor RESIGNED | Director | 06 Jan 2003 | 31 Jul 2011 | United Kingdom | January 1947 | 8 Garthwood Close, West Bergholt, Colchester, Essex, CO6 3EA |
| MORRIS, Owen Bryn RESIGNED | Director | 10 Jan 2012 | 31 Dec 2022 | England | May 1961 | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| NEDWELL, David Bevan, Professor RESIGNED | Director | 27 Oct 1992 | 06 Jan 2003 | United Kingdom | January 1944 | 7 Queen Street, Brightlingsea, Colchester, Essex, CO7 0AA |
| NEWCOMB, Edgar RESIGNED | Director | | 27 Oct 1992 | | October 1940 | Tudor House The Green, Elmstead Market, Colchester, Essex, CO7 7AG |
| PITTIS, Janice, Doctor RESIGNED | Director | 24 Sep 2009 | 29 Feb 2016 | United Kingdom | April 1954 | University Of Essex, Wivenhoe Park, Colchester, Essex, CO4 3SQ, United Kingdom |
| PLAIN, Vanessa Ruth RESIGNED | Director | 10 Jan 2017 | 15 Nov 2019 | England | December 1972 | Wivenhoe Park, Colchester, Essex, CO4 3SQ |
| PRIEST, David James, Dr RESIGNED | Director | 09 Sep 1991 | 06 Jan 2003 | England | June 1937 | 44 Lexden Road, Colchester, Essex, CO3 3RF |
| PRIESTLEY, Leslie RESIGNED | Director | | 04 Feb 1994 | England | August 1943 | Wadworth Nounsley Road, Hatfield Peverel, Chelmsford, Essex, CM3 2NF |
| RICH, Anthony Hampden, Dr RESIGNED | Director | 20 Apr 1999 | 21 Aug 2011 | United Kingdom | October 1954 | 2 The Lindens, Colchester, Essex, CO3 3WD |
| THOMSON, Stanley RESIGNED | Director | | 31 Jul 2001 | | June 1926 | 6 Belvedere Road, Brentwood, Essex, CM14 4PZ |
| WOODBURN, Alexander Fraser RESIGNED | Director | 27 Oct 1992 | 31 Dec 1998 | | August 1951 | 5 Aldeburgh Gardens, Highwoods, Colchester, Essex, CO4 4XR |