| WATSON, Irina ACTIVE | Secretary | 31 Dec 2012 | | | | 26-28, Bedford Row, London, WC1R 4HE |
| BURROW, Paul Nigel ACTIVE | Director | 01 Jan 2014 | | England | February 1973 | Warwick Court, Paternoster Square, London, EC4M 7DX, United Kingdom |
| PATRICK, Thomas Spencer ACTIVE | Director | 10 Feb 2011 | | United Kingdom | July 1972 | 26-28, Bedford Row, London, WC1R 4HE |
| DAS, Biswajit RESIGNED | Secretary | 28 Apr 1995 | 09 Dec 1998 | | | 35 Lullington Garth, London, N12 7LT |
| GERMAN, Leslie Francis RESIGNED | Secretary | | 28 Apr 1995 | | | 7 Chapel Lane, Hempstead, Gillingham, Kent, ME7 3TD |
| LAW, Linda May RESIGNED | Secretary | 09 Dec 1998 | 31 Dec 2012 | | | Warwick Court, Paternoster Square, London, EC4M 7DX |
| ALDRED, Duncan RESIGNED | Director | 07 Jun 2002 | 11 Jun 2019 | England | December 1961 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| ARBUTHNOTT, Geoffrey James RESIGNED | Director | 07 Jun 2002 | 24 Jan 2008 | United Kingdom | October 1956 | Lamer Hill, Lower Gustard Wood, Wheathampstead, St Albans, Hertfordshire, AL4 8RX |
| ARNELL, James Simon Edward RESIGNED | Director | 01 Jul 2015 | 11 Jun 2019 | England | October 1969 | Warwick Court, Paternoster Square, London, EC4M 7DX, United Kingdom |
| ARNELL, James Simon Edward RESIGNED | Director | 30 Jun 2005 | 12 Oct 2005 | | October 1969 | Bounty Cottage, The Street, Albourne, West Sussex, BN6 9DJ |
| BENNINGTON, William James RESIGNED | Director | 15 Jun 1998 | 31 Dec 1998 | | December 1964 | 37 Cheyne Court, Flood Street, London, SW3 5TR |
| BONNYMAN, James Gordon RESIGNED | Director | 30 Aug 2001 | 11 Jun 2019 | England | June 1944 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| BRAKELL, John Russell RESIGNED | Director | 09 Aug 1995 | 31 Dec 1998 | | July 1935 | 19 Willows Path, Epsom, Surrey, KT18 7TD |
| COX, Edward George RESIGNED | Director | | 19 Mar 2001 | England | February 1933 | Sopwell Lodge, 15 Milehouse Lane, St Albans, Hertfordshire, AL1 1TH |
| DOCKERAY, William Bruce Denne RESIGNED | Director | 11 Jan 2006 | 01 Jan 2014 | England | April 1957 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| DUNCAN, David Richard Louis RESIGNED | Director | | 19 Mar 2001 | | March 1935 | 12 Lansdowne Crescent, London, W11 2NJ |
| GIACOMOTTO, Lionel Lucien Marie RESIGNED | Director | 24 Jan 2008 | 11 Jun 2019 | United Kingdom | April 1965 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| GREENHALGH, Jeremy Edward RESIGNED | Director | 23 Feb 2009 | 13 Dec 2012 | England | June 1963 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| GREENHALGH, Jeremy Edward RESIGNED | Director | 30 Jun 2005 | 12 Oct 2005 | England | June 1963 | West Lodge, 4 West Side Common, Wimbledon, London, SW19 4TN |
| JANNEY III, Stuart RESIGNED | Director | | 17 Jan 1994 | | August 1948 | 135 East Baltimore Street, Baltimore, Maryland 21202, Usa |
| MAY, Anthony Roger RESIGNED | Director | 16 Sep 1997 | 30 Aug 2001 | United Kingdom | June 1949 | Danefield Broom Park, Langton Green, Tunbridge Wells, Kent, TN3 0RF |
| NICHOLLS, Jill Nicola RESIGNED | Director | | 01 Dec 1994 | | February 1958 | 97 Noel Road, London, N1 8HD |
| OFFORD, Malcolm Ian RESIGNED | Director | 24 Jan 2008 | 11 Dec 2013 | United Kingdom | September 1964 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| PILGRIM, Roger Granville RESIGNED | Director | 07 Jun 2002 | 30 Jun 2011 | England | April 1957 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| PLANT, Thomas Roland RESIGNED | Director | 19 Mar 2001 | 29 Mar 2012 | England | January 1956 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| PLANT, Thomas Roland RESIGNED | Director | | 19 Mar 2001 | England | January 1956 | Marley Lodge, Marley Heights, Haslemere, Surrey, GU27 3LU |
| SHELDON, Ronald Frank RESIGNED | Director | | 19 Mar 2001 | | May 1947 | 8 Oakland Avenue, West Wickham, Kent, BR4 9LE |
| SIMPSON, Stuart Douglas RESIGNED | Director | 31 Mar 2011 | 31 Oct 2015 | United Kingdom | June 1956 | Warwick Court, Paternoster Square, London, EC4M 7DX |
| SIMPSON, Stuart Douglas RESIGNED | Director | 30 Jun 2005 | 12 Oct 2005 | England | June 1956 | 2 Wadham Gardens, London, NW3 3DP |
| TYNE, William John RESIGNED | Director | 14 Feb 1995 | 03 Mar 1998 | United Kingdom | August 1948 | 4 St Albans Grove, London, W8 5PN |
| WALKER, John, Dr RESIGNED | Director | | 31 Dec 1998 | | April 1940 | Fairlawn Christchurch Road, Wentworth, Surrey, GU25 4PJ |
| WHALLEY, Anthony RESIGNED | Director | 01 Dec 1994 | 16 Sep 1997 | | July 1941 | 322 Cromwell Tower, Barbican, London, EC2Y 8NB |