| KNIBB, Richard Trevor ACTIVE | Secretary | 26 May 1999 | | | | 1, Bedford Square, London, WC1B 3RB, Uk |
| KNIBB, Richard Trevor ACTIVE | Director | 20 Aug 2020 | | United Kingdom | November 1961 | 1, Bedford Square, London, WC1B 3RB |
| MACKINTOSH, Cameron Anthony, Sir ACTIVE | Director | | | England | October 1946 | 1, Bedford Square, London, WC1B 3RB, Uk |
| SHILLINGLAW, Gary Preston RESIGNED | Secretary | 05 Apr 1993 | 19 Jan 1999 | | | Wynsdale, 9 Monkshanger, Farnham, Surrey, GU9 8BU |
| WHEELER, Jonathan RESIGNED | Secretary | 19 Jan 1999 | 26 May 1999 | | | 19 Glebe Place, Chelsea, London, SW3 5LD |
| WRIGHT, David William RESIGNED | Secretary | | 05 Apr 1993 | | | The Oast House, Shernfold Park Farm, Frant, East Sussex, TN3 9DL |
| ALLOTT, Nicholas David RESIGNED | Director | | 20 Aug 2020 | United Kingdom | March 1954 | 1, Bedford Square, London, WC1B 3RB, Uk |
| BIGGS, George Christopher RESIGNED | Director | 01 Jan 1997 | 06 Mar 2006 | United Kingdom | December 1935 | 12 Bedford Court, Mowbray Road, London, SE19 2RW |
| CONLAN, John Oliver RESIGNED | Director | 12 Jan 1994 | 02 Jun 1997 | England | July 1942 | Sunnydale, Bellingdon, Chesham, Buckinghamshire, HP5 2XU |
| DALCO, Matthew George John RESIGNED | Director | 26 May 2000 | 31 Aug 2007 | | October 1962 | 69 Cloncurry Street, London, SW6 6DT |
| DESMOND, Leslie Maurice RESIGNED | Director | | 30 Jun 1997 | | June 1948 | 22 Prentice Gardens, Kempston, Bedford, Bedfordshire, MK42 8TJ |
| JOHNSTON, Richard Arthur RESIGNED | Director | 30 Sep 2004 | 30 Apr 2021 | England | April 1955 | 1, Bedford Square, London, WC1B 3RB, Uk |
| MCCALLUM, Martin Jeffrey RESIGNED | Director | | 28 Mar 2003 | United Kingdom | April 1950 | 110 Elgin Crescent, London, W11 2JL |
| MILLS, Richard RESIGNED | Director | 14 Feb 1994 | 13 Feb 1996 | | June 1931 | Sarn, Coombe Park, Kingston Hill, Surrey, KT2 7JB |
| MILLS, Richard RESIGNED | Director | | 12 Jan 1994 | | June 1931 | Sarn, Coombe Park, Kingston Hill, Surrey, KT2 7JB |
| ROBERTS, Peter Heathcote RESIGNED | Director | | 29 Dec 2006 | England | June 1942 | 54 Prebend Street, London, N1 8PS |