| CLARK, William Robert Simon ACTIVE | Director | 31 May 2016 | | England | August 1966 | Brennan House, Farnborough Aerospace Centre Business Park, Farnborough, GU14 6XR, England |
| HEAVEN, Paul ACTIVE | Director | 01 Jan 2026 | | England | July 1963 | 3, Warwick Place, London, W9 2PX, England |
| MOGFORD, Martyn Charles ACTIVE | Director | 31 May 2016 | | United Kingdom | March 1950 | Brennan House, Farnborough Aerospace Centre Business Park, Farnborough, GU14 6XR, England |
| SMITH, Darren Richard ACTIVE | Director | 01 Jan 2026 | | United Kingdom | September 1973 | 3, Warwick Place, London, W9 2PX, England |
| LUETCHFORD, Ian Gordon RESIGNED | Secretary | | 31 Dec 1992 | | | 41 The Rise, Elstree, Borehamwood, Hertfordshire, WD6 3JS |
| MILLER, Michael David RESIGNED | Secretary | 31 Dec 1992 | 01 Aug 1996 | | | Kingwell South Hill Avenue, Harrow, Middlesex, HA1 3PB |
| RINGSHALL, Anthony William RESIGNED | Secretary | 01 Aug 1996 | 31 May 2016 | | | 5a Clifton Villas, London, W9 2PH |
| BENNETT, Adam Edward Spencer RESIGNED | Director | 01 Apr 2009 | 15 Jul 2013 | England | January 1955 | Shernover House, Windmill Hill, Brenchley, Tonbridge, Kent, TN12 7NP |
| BROMOVSKY, Fabia Alyson RESIGNED | Director | 31 Jan 2011 | 31 May 2016 | United Kingdom | January 1961 | 5a Clifton Villas, London, W9 2PH |
| BROWN, Simon David RESIGNED | Director | 01 May 2005 | 28 Mar 2006 | United Kingdom | October 1960 | 10 Shrewsbury Lane, London, SE18 3JF |
| ESPLEY, Dennis Edward RESIGNED | Director | 16 Feb 2017 | 29 Jun 2017 | England | September 1949 | The Plantation, Woburn Hill, Addlestone, Surrey, KT15 2QG, England |
| GOODWIN, Ian RESIGNED | Director | 08 May 2006 | 15 Apr 2009 | England | October 1961 | The Old Vicarage, Church Lane, Riseley, Bedfordshire, MK44 1ER |
| JAMES, Patrick Esmond RESIGNED | Director | 05 Jul 1998 | 31 Dec 2004 | England | May 1967 | Normanby Hill, Normanby, York, YO62 6RH |
| JOHNSTON, Benjamin Monk RESIGNED | Director | 02 Jun 2015 | 10 Jun 2016 | England | December 1974 | The Plantation, Woburn Hill, Addlestone, Surrey, KT15 2QG, England |
| LEWISOHN, James RESIGNED | Director | 01 May 2005 | 04 Oct 2005 | | May 1970 | 91b Ladbroke Grove, London, W11 2HD |
| MILLER, Michael David RESIGNED | Director | | 31 Jul 2002 | | January 1939 | Kingwell South Hill Avenue, Harrow, Middlesex, HA1 3PB |
| MORGAN, Alistair David Miles RESIGNED | Director | 25 Jun 2013 | 25 Nov 2014 | England | October 1974 | 5a Clifton Villas, London, W9 2PH |
| MORLEY, David James RESIGNED | Director | 06 Feb 2017 | 08 Jul 2020 | United Kingdom | October 1965 | Clifton Nurseries, Woburn Hill, Addlestone, Surrey, KT15 2QG, England |
| ORLANDO, Peter Rodney RESIGNED | Director | 31 May 2016 | 31 Jan 2018 | United Kingdom | April 1947 | The Plantation, Woburn Hill, Addlestone, Surrey, KT15 2QG, England |
| PALUCHOWSKI, Tadeusz RESIGNED | Director | 27 Sep 2004 | 28 Feb 2011 | England | June 1951 | The Pines, Roundabout Copse, West Chiltington, West Sussex, RH20 2RN |
| ROTHSCHILD, Hannah Mary, The Hon RESIGNED | Director | 01 May 2005 | 08 May 2006 | England | May 1962 | W9 |
| ROTHSCHILD, Nathaniel Charles Jacob, Lord RESIGNED | Director | | 31 May 2016 | United Kingdom | April 1936 | 5a Clifton Villas, London, W9 2PH |
| SARGENT, Raymond RESIGNED | Director | | 06 Sep 1992 | | | 12 Pasture Close, Bushey, Watford, Hertfordshire, WD2 3HP |
| SWEETLAND, Sara RESIGNED | Director | 01 Sep 2011 | 31 May 2016 | United Kingdom | January 1965 | 5a Clifton Villas, London, W9 2PH |
| TOWNSEND, Susan Eileen RESIGNED | Director | | 31 Dec 1993 | | December 1949 | 37 Ladbroke Square, London, W11 |
| TROUGHTON, Peter John Charles RESIGNED | Director | 01 Jan 2002 | 05 Apr 2004 | United Kingdom | June 1948 | The Lynch House, Church Road, Wanborough, Swindon, Wiltshire, SN4 0BZ |
| WILLIAMS, Stephen Howard RESIGNED | Director | 01 Aug 2002 | 26 Oct 2004 | | January 1951 | Birkdale Cottage Linkside South, Hindhead, Surrey, GU26 6NX |
| WILSON, Matthew RESIGNED | Director | 07 Feb 2011 | 31 May 2016 | United Kingdom | June 1966 | 5a Clifton Villas, London, W9 2PH |