| ACKORD, Anne Elizabeth ACTIVE | Director | 14 Sep 2023 | | United Kingdom | January 1958 | 6, Junction Mews, London, W2 1PN, England |
| BLAIN, Jessica Charlotte Pattison ACTIVE | Director | 14 Sep 2023 | | England | December 1997 | 6, Junction Mews, London, W2 1PN, England |
| JOHNSON, Luke Oliver ACTIVE | Director | 01 Apr 2022 | | United Kingdom | February 1962 | 6, Junction Mews, London, W2 1PN, England |
| EPPS, Timothy John RESIGNED | Secretary | 08 Mar 2000 | 19 Oct 2006 | | | Studio 24 Ransoms Dock, 35-37 Parkgate Road, London, SW11 4NP |
| HOLLAND, Michael John RESIGNED | Secretary | 19 Oct 2006 | 01 Apr 2022 | | | The British Engineerium, The Droveway, Hove, East Sussex, BN3 7QA |
| MINNS, Jonathan Ellis RESIGNED | Secretary | | 08 Mar 2000 | | | Watermill House, Hellingly, Hailsham, East Sussex, BN27 4HD |
| ATTERBURY, Rowley Streatfeild RESIGNED | Director | | 10 Apr 1992 | | July 1920 | Silversted Silversted Lane, Westerham Hill, Kent, TN16 2HY |
| BROOME, David RESIGNED | Director | 05 Jan 1996 | 30 Oct 1998 | | March 1937 | 43 Coombe Drove, Bramber, Steyning, West Sussex, BN44 3PW |
| CAPLIN, Simon Louis RESIGNED | Director | 19 Oct 2006 | 15 Mar 2011 | United Kingdom | July 1964 | Poynters, Church Lane, Brighton, East Sussex, BN45 7FE |
| DOLAN, Paul Henry Robert, Prof RESIGNED | Director | 07 Apr 2022 | 28 Feb 2025 | England | May 1968 | 6, Junction Mews, London, W2 1PN, England |
| EPPS, Timothy John RESIGNED | Director | 25 Sep 1992 | 19 Oct 2006 | | April 1946 | Studio 24 Ransoms Dock, 35-37 Parkgate Road, London, SW11 4NP |
| HIGHAM, Charles Edward Robert RESIGNED | Director | | 01 Dec 1997 | | July 1930 | Highbanks Sandhurst Lane, Little Common, Bexhill On Sea, East Sussex, TN39 4RH |
| HOLLAND, Geoffrey Rowan RESIGNED | Director | 02 Jan 2015 | 01 Apr 2022 | United Kingdom | April 1953 | Pilots Cottage, Pett Bottom, Canterbury, Kent, CT4 1EN |
| HOLLAND, Michael John RESIGNED | Director | 19 Oct 2006 | 01 Apr 2022 | England | August 1947 | The British Engineerium, The Droveway, Hove, East Sussex, BN3 7QA |
| KENT, Peter Alfred RESIGNED | Director | 04 Nov 1998 | 19 Oct 2006 | England | March 1947 | 8 Third Avenue, Worthing, West Sussex, BN14 9NZ |
| LEICESTER, Gordon RESIGNED | Director | 19 Oct 2006 | 01 Apr 2022 | United Kingdom | January 1965 | Backlands Farm, London Road, Hickstead, West Sussex, RH17 5LZ |
| MINNS, Jonathan Ellis RESIGNED | Director | | 08 Mar 2000 | | October 1938 | Watermill House, Hellingly, Hailsham, East Sussex, BN27 4HD |
| MINNS, Patrick RESIGNED | Director | | 19 Oct 2006 | United Kingdom | May 1944 | 6 St Marks Crescent, Camden Town, London, NW1 7TS |
| RICHARDS, David RESIGNED | Director | 01 Apr 2002 | 19 Oct 2006 | | May 1937 | Southwinds, 3 Smugglers Walk, Goring By Sea, West Sussex, BN12 4DP |
| TIFFIN, Robert RESIGNED | Director | | 31 Dec 1993 | | November 1935 | 141 Hartfield Road, Seaford, East Sussex, BN25 4PJ |
| VARVILL, Mark RESIGNED | Director | | 07 Nov 1993 | | April 1927 | Lane End House, Ellanore Lane, West Wittering Chichester, West Sussex, PO20 8AN |