| WARGENT, Nicholas James ACTIVE | Secretary | 11 May 2015 | | | | 106 Waterhouse Lane, Chelmsford, Essex, CM1 2QU |
| BOBB III, George C. ACTIVE | Director | 29 May 2025 | | United States | August 1974 | 106, Waterhouse Lane, Chelmsford, CM1 2QU, England |
| TONER, John ACTIVE | Director | 09 Jun 2025 | | England | February 1981 | 6, Tebay Road, Bromborough, Wirral, Select, CH62 3PA, United Kingdom |
| VANWEES, Jason ACTIVE | Director | 01 Dec 2023 | | United States | December 1971 | 106 Waterhouse Lane, Chelmsford, Essex, CM1 2QU |
| WARGENT, Nicholas James ACTIVE | Director | 24 Jan 2017 | | England | October 1973 | 106, Waterhouse Lane, Chelmsford, CM1 2QU, England |
| ALLY, Bibi Rahima RESIGNED | Secretary | 26 Jul 2002 | 06 Jun 2003 | | | 60 Harbury Road, Carshalton Beeches, Surrey, SM5 4LA |
| BARKER, Norman George RESIGNED | Secretary | | 15 Jan 1992 | | | Jebel Bait Hall Road, Mount Bures, Bures, Suffolk, CO8 5AS |
| EDWARDS, Kevin Neil RESIGNED | Secretary | 16 Jan 1992 | 07 Jul 1993 | | | 15 Rothesay Avenue, Chelmsford, Essex, CM2 9BU |
| HANNANT, Michael Francis RESIGNED | Secretary | 06 Jun 2003 | 25 Mar 2009 | | | 4 Orchard Close, Newport, Saffron Walden, Essex, CB11 3QT |
| HIGGINS, James Alexander RESIGNED | Secretary | 19 Jul 1993 | 24 Jul 1998 | | | 8 Glebe Field, Almondsbury, Bristol, Avon, BS12 4DL |
| LONG, Jacqueline RESIGNED | Secretary | 31 Oct 2001 | 26 Jul 2002 | | | 361 Hanworth Road, Hampton, Middlesex, TW12 3EJ |
| PARMENTER, Charlotte Lorraine RESIGNED | Secretary | 23 Sep 2009 | 11 May 2015 | | | 106 Waterhouse Lane, Chelmsford, Essex, CM1 2QU |
| PEACHEY, Eric Albert RESIGNED | Secretary | 24 Jul 1998 | 02 Sep 1999 | | | 27 Ripon Way, St Albans, Hertfordshire, AL4 9AJ |
| POLLEY, Julie Claire RESIGNED | Secretary | 15 Dec 2000 | 31 Oct 2001 | | | 60j Balfour Road, Ealing, London, W13 9TN |
| WEATHERALL, Sally RESIGNED | Secretary | 25 Mar 2009 | 23 Sep 2009 | | | Mantles Green Cottage, Hyde Heath Road, Hyde Heath, Amersham, Buckinghamshire, HP6 5RW |
| WHEATLEY, Catherine Bernadette RESIGNED | Secretary | 02 Sep 1999 | 15 Dec 2000 | | | 138 Jerningham Road, Telegraph Hill, London, SE14 5NL |
| ADCOCK, Miles John, Dr RESIGNED | Director | 28 Feb 2019 | 17 May 2021 | United Kingdom | February 1973 | 106, Waterhouse Lane, Chelmsford, CM1 2QU, England |
| ATTWOOD, Keith Donald RESIGNED | Director | 15 Oct 1998 | 30 Aug 2013 | England | August 1960 | Graunt Courts, Rayne, Braintree, Essex, CM77 6SD |
| BLAIR, Stephen RESIGNED | Director | 24 Jan 2017 | 28 Mar 2017 | England | November 1959 | 106 Waterhouse Lane, Chelmsford, Essex, CM1 2QU |
| BOYLAN, David Richard RESIGNED | Director | | 20 Jan 2000 | United Kingdom | December 1949 | 14 Runsell Close, Danbury, Chelmsford, Essex, CM3 4PQ |
| BREWSTER, John Patrick RESIGNED | Director | 29 May 2002 | 31 Dec 2007 | England | May 1956 | St.Nicholas Cottage, Chaldon Herring, Dorchester, Dorset, DT2 8DN |
| EDWARDS, Kevin Neil RESIGNED | Director | 05 Nov 1991 | 07 Jul 1993 | England | November 1956 | 15 Rothesay Avenue, Chelmsford, Essex, CM2 9BU |
| HANNANT, Michael Francis RESIGNED | Director | 15 Oct 1998 | 27 May 2009 | | May 1957 | 4 Orchard Close, Newport, Saffron Walden, Essex, CB11 3QT |
| HIGGINS, James Alexander RESIGNED | Director | 19 Jul 1993 | 15 Oct 1998 | | February 1949 | 8 Glebe Field, Almondsbury, Bristol, Avon, BS12 4DL |
| HINDSON, Richard Charles RESIGNED | Director | 05 May 2009 | 31 Jan 2017 | England | June 1959 | 106 Waterhouse Lane, Chelmsford, Essex, CM1 2QU |
| LIVINGSTONE, Ewan Sutherland RESIGNED | Director | 28 Feb 2019 | 01 May 2020 | England | February 1964 | 106, Waterhouse Lane, Chelmsford, CM1 2QU, England |
| MAIN, Susan Lee RESIGNED | Director | 28 Mar 2017 | 01 Dec 2023 | United States | November 1958 | 106 Waterhouse Lane, Chelmsford, Essex, CM1 2QU |
| MANDL, Michael Paul RESIGNED | Director | | 15 Nov 1996 | | November 1931 | Nunthorpe Little Baddow Road, Danbury, Chelmsford, Essex, CM3 4NT |
| MATHER, David Alexander Russell RESIGNED | Director | 28 Mar 2017 | 01 Jan 2019 | Scotland | January 1963 | 106 Waterhouse Lane, Chelmsford, Essex, CM1 2QU |
| PORTER, Norman Charles RESIGNED | Director | 26 Nov 1999 | 17 Dec 1999 | England | November 1951 | Farnham House 2 Beedingwood Drive, Forest Road Colgate, Horsham, West Sussex, RH12 4TE |
| REID, Damian Hugh RESIGNED | Director | 26 Nov 1999 | 17 Dec 1999 | United Kingdom | August 1962 | 81 Teddington Park Road, Teddington, Middlesex, TW11 8NG |
| ROKS, Edwin RESIGNED | Director | 01 Dec 2023 | 28 Apr 2025 | Netherlands | July 1964 | 106 Waterhouse Lane, Chelmsford, Essex, CM1 2QU |
| ROWLANDS, Geoffrey John, Dr RESIGNED | Director | 21 Feb 2000 | 22 May 2002 | | August 1948 | 73 Quilp Drive, Chelmsford, Essex, CM1 4YD |
| SHEPPARD, Timothy John RESIGNED | Director | | 31 Dec 1991 | | April 1937 | 126 Highfields Road, Witham, Essex, CM8 2HH |
| SPINKS, John Charles RESIGNED | Director | 08 Jan 1992 | 16 Apr 1998 | England | August 1943 | Watermill House Salts Lane, Loose, Maidstone, Kent, ME15 0BD |