| DAVIDSON-SHRINE, Gregory ACTIVE | Secretary | 04 Dec 2019 | | | | 2 Chancellor Court, Occam Road, Surrey Research Park, Guildford, GU2 7AH, England |
| DAVIDSON-SHRINE, Gregory ACTIVE | Director | 19 Oct 2022 | | England | September 1974 | 2 Chancellor Court, Occam Road Surrey Research Park, Guildford, Surrey, GU2 7AH |
| GIBBINS, Simon Mark ACTIVE | Director | 01 Sep 2010 | | United Kingdom | July 1966 | 2 Chancellor Court, Occam Road, Surrey Research Park, Guildford, GU2 7AH, England |
| HILL, Paul Stuart ACTIVE | Director | 19 Oct 2022 | | England | August 1962 | 2 Chancellor Court, Occam Road, Surrey Research Park, Guildford, GU2 7AH, England |
| JEFFERIES, Nicholas John ACTIVE | Director | 01 Sep 2010 | | England | January 1966 | 2 Chancellor Court, Occam Road, Surrey Research Park, Guildford, GU2 7AH, England |
| MORCOM, Jeremy James ACTIVE | Director | 10 Oct 2018 | | United Kingdom | December 1964 | 2 Chancellor Court, Occam Road, Surrey Research Park, Guildford, GU2 7AH, England |
| BITHELL, Charles Peter RESIGNED | Secretary | 17 Jun 2003 | 05 Dec 2003 | | | 82 Harpesford Avenue, Virginia Water, Surrey, GU25 4RE |
| HARKUS MADGE, Joanna Alwen RESIGNED | Secretary | 01 Apr 2017 | 02 Sep 2019 | | | 2 Chancellor Court, Occam Road Surrey Research Park, Guildford, Surrey, GU2 7AH |
| LOVERIDGE, James Douglas RESIGNED | Secretary | 01 Sep 1999 | 31 May 2000 | | | 10 Redding Drive, Amersham, Buckinghamshire, HP6 5PX |
| POMEROY, John Victor RESIGNED | Secretary | 05 Dec 2003 | 10 Jan 2005 | | | Chobham Lodge, 89 Windsor Road, Chobham, Surrey, GU24 8LE |
| POMEROY, John Victor RESIGNED | Secretary | | 01 Sep 1999 | | | Chobham Lodge, 89 Windsor Road, Chobham, Surrey, GU24 8LE |
| ROWE, Nicholas RESIGNED | Secretary | 02 Sep 2019 | 04 Dec 2019 | | | Wychwood Cottages, Somerton, Oxford, Oxon, OX25 6NB, United Kingdom |
| ROWE, Nicholas RESIGNED | Secretary | 26 Jan 2005 | 29 Aug 2008 | | | Wychwood Cottages, Somerton, Oxford, Oxon, OX25 6NB |
| SHILLINGLAW, Gary Preston RESIGNED | Secretary | 29 Aug 2008 | 31 Mar 2017 | | | Wynsdale, 9 Monkshanger, Farnham, Surrey, GU9 8BU |
| CARR, Steven RESIGNED | Director | 05 Jun 2009 | 01 Sep 2010 | England | September 1967 | 91 The Brow, Widley, Waterwill, Hampshire, PO7 5BY |
| CHEVALLIER, Frederic Bruno Bernard Auguste Jean RESIGNED | Director | 01 Sep 2010 | 10 May 2012 | France | July 1962 | 2 Chancellor Court, Occam Road Surrey Research Park, Guildford, Surrey, GU2 7AH |
| COOPER, Malcolm Howard RESIGNED | Director | 27 Aug 2008 | 02 Feb 2010 | England | October 1960 | 24, Malthouse Close, Church Crookham, Hampshire, GU52 6TB |
| CURRY, John Arthur Hugh RESIGNED | Director | | 31 Mar 2005 | England | June 1938 | Stokewood Park House Sheardley Lane, Droxford, Southampton, SO32 3QY |
| GRUSON, Philippe Robert Marie RESIGNED | Director | 22 Feb 2010 | 30 Apr 2012 | France | October 1957 | 2 Chancellor Court, Occam Road Surrey Research Park, Guildford, Surrey, GU2 7AH |
| LAUGHTON, Anthony Joseph RESIGNED | Director | | 29 Sep 2008 | | February 1943 | The Old House, Frensham, Farnham, Surrey, GU10 3EF |
| NEVILLE, Paul Howard RESIGNED | Director | 03 Jan 2013 | 03 Mar 2022 | England | April 1967 | 2 Chancellor Court, Occam Road Surrey Research Park, Guildford, Surrey, GU2 7AH |
| PANGELS, Martin Franz Eckhard RESIGNED | Director | 03 Jan 2013 | 12 Jun 2025 | England | November 1967 | 2 Chancellor Court, Occam Road, Surrey Research Park, Guildford, GU2 7AH, England |
| POMEROY, John Victor RESIGNED | Director | | 16 Jun 2003 | | | Chobham Lodge, 89 Windsor Road, Chobham, Surrey, GU24 8LE |
| POWELL, Bruce Lewis Hamilton RESIGNED | Director | | 24 Sep 1993 | United Kingdom | April 1949 | Broadhatch House, Bentley, Farnham, Surrey, GU10 5JJ |
| SYDES, Stephen Charles RESIGNED | Director | 27 Aug 2008 | 05 Jun 2009 | Berkshire | December 1961 | 1, Highfields, Overton, Hampshire, RG21 3PH |
| VIRDEE, Jagjit Singh RESIGNED | Director | 01 Jan 1994 | 29 Sep 2008 | | March 1952 | 33 Atkins Road, London, SW12 0AA |
| WEBSTER, Paul Graham RESIGNED | Director | 19 Apr 2012 | 03 Mar 2022 | United Kingdom | April 1954 | 2 Chancellor Court, Occam Road Surrey Research Park, Guildford, Surrey, GU2 7AH |