| FARDELL, Mark Edward ACTIVE | Secretary | 25 Jul 2023 | | | | The Plextek Building, London Road, Great Chesterford, Saffron Walden, CB10 1NY, United Kingdom |
| JACKSON, Timothy ACTIVE | Director | 01 May 2002 | | England | April 1959 | Plextek Building, London Road, Great Chesterford, Saffron Walden, Essex, CB10 1NY, United Kingdom |
| MURPHY, Ian Andrew ACTIVE | Director | | | England | August 1958 | Plextek Building, London Road, Great Chesterford, Saffron Walden, Essex, CB10 1NY, United Kingdom |
| SMITHERS, Colin Richard, Dr ACTIVE | Director | | | England | February 1959 | Plextek Building, London Road, Great Chesterford, Saffron Walden, Essex, CB10 1NY, United Kingdom |
| COX, David John RESIGNED | Secretary | 25 Mar 1998 | 14 Jun 2018 | | | Plextek Building, London Road, Great Chesterford, Saffron Walden, Essex, CB10 1NY, United Kingdom |
| HONE, Angus RESIGNED | Secretary | 14 Jun 2018 | 30 Jul 2019 | | | The Plextek Building, London Road, Great Chesterford, Saffron Walden, CB10 1NY, United Kingdom |
| JACKSON, Timothy RESIGNED | Secretary | | 25 Mar 1998 | | | 25 Church Street, Stapleford, Cambridgeshire, CB2 5DS |
| SEACOMBE, Sarah Katharine RESIGNED | Secretary | 30 Jul 2019 | 25 Nov 2022 | | | The Plextek Building, London Road, Great Chesterford, Saffron Walden, CB10 1NY, United Kingdom |
| JACKSON, Timothy RESIGNED | Director | | 24 Mar 2000 | England | April 1959 | 21 Clarkson Road, Cambridge, CB3 0EH |