| THOMAS, Benjamin Christopher David, Dr ACTIVE | Secretary | 05 Apr 2013 | | | | Lmp At St John's, St John The Evangelist, Sylvan Road, Upper Norwood, London, SE19 2RX, England |
| BENN, Emily Sophia Wedgwood, The Hon ACTIVE | Director | 17 Sep 2015 | | England | October 1989 | 28, Woodside Road, London, SE25 5DY, England |
| GIBSON, Roanna Mary ACTIVE | Director | 19 Dec 2019 | | England | August 1977 | 17, High View Close, London, SE19 2DS, England |
| HORNAK, Francis Benedict ACTIVE | Director | 17 Sep 2015 | | England | September 1958 | Lmp At St John's, St John The Evangelist, Sylvan Road, Upper Norwood, London, SE19 2RX, England |
| LAMBERTI, David James ACTIVE | Director | 14 Dec 2020 | | England | November 1971 | 17, Romany Rise, Orpington, BR5 1HG, England |
| LECHLER, Robert Ian, Professor Sir ACTIVE | Director | 04 Nov 2019 | | England | December 1951 | Lmp At St John's, St John The Evangelist, Sylvan Road, Upper Norwood, London, SE19 2RX, England |
| MALLETT, Nicholas Henry Keene ACTIVE | Director | 17 Sep 2015 | | England | November 1953 | 17, The Byway, Sutton, Surrey, SM2 5LE, England |
| SIMPSON, Roy Abel ACTIVE | Director | 28 Sep 2017 | | England | February 1955 | 8, Hester Road, London, SW11 4AW, England |
| THOMPSON, Lydia Mary, Lady ACTIVE | Director | 24 Sep 2019 | | England | October 1953 | The Mill House, Mill Street, Newport Pagnell, MK16 8ER, England |
| FREELAND, Rowan Charles Bayfield RESIGNED | Secretary | | 05 Apr 2013 | | | 2c Park Place Villas, London, W2 1SP |
| BAMERT, Matthias RESIGNED | Director | 28 Sep 1992 | 14 Jan 1998 | | July 1942 | 47 Marlborough, Mansions Cannon Hill, London, NW6 1JS |
| BANON, Jean Claude RESIGNED | Director | 14 Mar 1994 | 27 Nov 1995 | United Kingdom | May 1948 | 37 Warwick Gardens, London, W14 8PH |
| BENTON, Daniel Mark RESIGNED | Director | 20 Sep 2006 | 09 Feb 2016 | England | July 1964 | Oak House, Park Lane, Ropley, Alresford, Hampshire, SO24 0BE, England |
| BIRCH, Frank Stanley Heath RESIGNED | Director | | 31 Dec 1996 | | February 1939 | 38 Yester Road, Chislehurst, Kent, BR7 5HR |
| DAVIES, Daniel Mark RESIGNED | Director | 14 Feb 2012 | 21 Jan 2013 | England | December 1965 | Fairfield Halls, Park Lane, Croydon, CR9 1DG, United Kingdom |
| FILDES, David Christopher RESIGNED | Director | 28 Sep 2000 | 31 Dec 2009 | United Kingdom | November 1934 | 4 Scarsdale Villas, London, W8 6PR |
| FREELAND, Rowan Charles Bayfield RESIGNED | Director | 26 Jun 1999 | 14 Mar 2016 | England | December 1956 | 2c Park Place Villas, London, W2 1SP |
| FUNNELL, Simon Mark RESIGNED | Director | 31 Mar 2009 | 11 Apr 2014 | United Kingdom | March 1973 | Fairfield Halls, Park Lane, Croydon, CR9 1DG, United Kingdom |
| GLOVER, Jane, Dr RESIGNED | Director | | 31 Dec 1991 | | May 1949 | 44 Aberdare Gardens, London, NW6 3QA |
| GRIFFITH, Ian Leslie RESIGNED | Director | | 25 Sep 1995 | England | February 1945 | Cherrywood 17 Crispin Way, Farnham Common, Slough, Berkshire, SL2 3UD |
| HAYNES, Joseph Antony RESIGNED | Director | | 31 Mar 1998 | | October 1930 | 40 Edwardes Square, London, W8 6HH |
| HOGG, Anne Patricia, Dr RESIGNED | Director | 19 Mar 2004 | 10 Jun 2008 | United Kingdom | July 1939 | 10 Pencombe Mews, London, W11 2RZ |
| HOPKINS, Didi RESIGNED | Director | 17 Sep 2015 | 19 Sep 2016 | United Kingdom | November 1956 | 1, Speldhurst Road, London, E9 7EH, England |
| HOWES, Robert Frederick RESIGNED | Director | 17 Sep 2015 | 20 Sep 2016 | United Kingdom | February 1947 | Firtree Farm, 110 Sluice Road, Denver, Downham Market, Norfolk, PE38 0DZ, England |
| KERRES, Bernhard RESIGNED | Director | 24 May 2001 | 20 Nov 2003 | | December 1966 | Eckpergasse 39-41, A-1180 Wien, Austria |
| KNIGHT, William John Langford RESIGNED | Director | | 08 Jun 2000 | | September 1945 | 36 Londsdale Square, London, N1 1EW |
| LEWIS CROSBY, Robert Antony Cornwall RESIGNED | Director | 05 Jul 2006 | 31 Mar 2009 | | April 1947 | 27 Hosack Road, London, SW17 7QW |
| LITTMAN, Mark RESIGNED | Director | | 31 Dec 1996 | | September 1920 | 79 Chester Square, London, SW1W 9DU |
| LLOYD DAVIES, Reginald Wyndham RESIGNED | Director | 11 Nov 1999 | 16 Apr 2002 | | June 1934 | Flat E Regis House, 47 Beaumont Street, London, W1N 1RD |
| MEAD, Dudley Sharratt RESIGNED | Director | 08 Dec 1992 | 31 Jul 2010 | United Kingdom | October 1944 | 5 Mountwood Close, Sanderstead, Surrey, CR2 8RJ |
| MORGAN, Richard John Craig RESIGNED | Director | 07 Feb 2013 | 21 Jun 2018 | England | November 1959 | 13, Roundwood Way, Banstead, Surrey, SM7 1ED, England |
| PARROTT, Andrew Haden RESIGNED | Director | 21 May 2004 | 06 Jul 2006 | | March 1947 | Mill Farm, Stanton St John, Oxford, OX33 1HN |
| PERKINS, Gillian RESIGNED | Director | 23 Sep 2008 | 21 Sep 2016 | England | December 1946 | 10 Gurney Way, Cambridge, Cambridgeshire, CB4 2ED |
| PHILLIPS, Peter Warren RESIGNED | Director | | 24 Jun 1996 | | October 1931 | The Old Vicarage, Streatley, Reading, Berks, RG8 9HY |
| REID, Joan Mary, Lady RESIGNED | Director | 28 Sep 2000 | 30 Oct 2007 | England | October 1932 | 24 Ashley Gardens, Ambrosden Avenue, London, SW1P 1QD |
| REYNOLDS, Jane RESIGNED | Director | 14 Jan 1998 | 30 May 2002 | | August 1951 | 5 Bloomfield Terrace, London, SW1W 8PG |
| RICHARDSON, Hugh RESIGNED | Director | | 10 Jun 1999 | England | April 1949 | Flat 56, 30 Vincent Square, London, SW1P 2NW |
| ROSS GOOBEY, Sarah Georgina Mary RESIGNED | Director | 14 Jan 1998 | 05 Nov 2010 | England | February 1949 | 22 Alwyne Road, London, N1 2HN |
| SERVICE, Louisa Anne RESIGNED | Director | | 14 Jun 1993 | United Kingdom | December 1931 | 35 Elsworthy Road, London, NW3 3BT |
| STUART, James Keith, Sir RESIGNED | Director | 23 Jan 2002 | 31 Dec 2009 | | March 1940 | Rmc House, Coldharbour Lane Thorpe, Egham, Surrey, TW20 8TD |
| SYKES, Rosamund Mary RESIGNED | Director | 30 Oct 2002 | 31 Jul 2014 | United Kingdom | November 1952 | 30 Broad Oaks Way, Bromley, Kent, BR2 0UB |
| VAN DE GEEST, Gerard Peter RESIGNED | Director | 22 Jul 2011 | 01 Aug 2012 | England | May 1960 | Fairfield Halls, Park Lane, Croydon, CR9 1DG, United Kingdom |
| WECHSLER, David Keith RESIGNED | Director | 24 Jul 2007 | 30 Jun 2015 | Great Britain | June 1946 | 6 Tipton Drive, Croydon, Surrey, CR0 5JY |
| WICKS, Malcolm Hunt RESIGNED | Director | 28 Jan 2009 | 16 Aug 2012 | United Kingdom | July 1947 | 19, West Hill, Sanderstead, Surrey, CR2 0SB |
| WOODHOUSE, Ronald Michael RESIGNED | Director | | 31 Dec 1996 | | August 1927 | Tankards The Street, Wonersh, Guildford, Surrey, GU5 0PF |
| THE LADY BUTLER OF SAFFRON WALDEN RESIGNED | Director | | 14 Mar 1994 | | | Spencers, Great Yeldham, Essex, CO9 4JG |