| HAWKINS, Simon Anthony ACTIVE | Secretary | 23 Mar 2018 | | | | Unit 202, Edinburgh House, 170 Kennington Lane, London, SE11 5DP, England |
| FIGGIS, Patrick Adam Fernesley ACTIVE | Director | 10 Feb 2015 | | England | November 1957 | Beating Bowel Cancer, Harlequin House, 7 High Street, Teddington, Middlesex, TW11 8EE, England |
| LANDER, Lorraine Elizabeth ACTIVE | Director | 06 Feb 2018 | | United Kingdom | December 1967 | Unit 202, Edinburgh House, 170 Kennington Lane, London, SE11 5DP, England |
| MATTIUZZO, Mauro ACTIVE | Director | 22 Nov 2016 | | England | August 1957 | Unit 202, Edinburgh House, 170 Kennington Lane, London, SE11 5DP, England |
| ABRAHAM, Philip Dene RESIGNED | Secretary | 01 May 2006 | 15 Sep 2011 | | | 27 Stourton Avenue, Feltham, Middlesex, TW13 6LA |
| GEDDES, Sally Belinda, Dr RESIGNED | Secretary | 01 Jul 1997 | 27 Mar 2000 | | | Parkfield, Woodend, Styal, Cheshire, SK9 4HF |
| GREENE, Julia Jane Esther RESIGNED | Secretary | 02 May 2001 | 03 Dec 2001 | | | 11 Vivienne Close, Cambridge Park, East Twickenham, Middlesex, TW1 2JX |
| HYAMS, David Stephen RESIGNED | Secretary | 25 Jun 2002 | 31 Jan 2003 | | | 2 Vine Cottages, 191 Petersham Road Ham, Richmond Upon Thames, Surrey, TW10 7AW |
| KILPATRICK, Jane Ashton RESIGNED | Secretary | 22 May 1997 | 01 Jul 1997 | | | 5, Billing Street, London, SW10 9WR |
| PRINGLE, Jane Mary RESIGNED | Secretary | 08 May 2000 | 03 Apr 2001 | | | 11 Beverley Gardens, Maidenhead, Berkshire, SL6 6SN |
| RAZZELL, Charlotte Emma RESIGNED | Secretary | 15 Sep 2011 | 23 Mar 2018 | | | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| SHAH, Harsha RESIGNED | Secretary | 31 Mar 2003 | 10 Mar 2006 | | | 1 Egerton Road, Twickenham, Middlesex, TW2 7SH |
| BAKER, Susan Lynn RESIGNED | Director | 08 May 2000 | 01 Sep 2005 | | August 1958 | 16 Townsend Road, Harpenden, Hertfordshire, AL5 4BG |
| BARRETT, Hilary Kathryn RESIGNED | Director | 15 Sep 2011 | 18 Jan 2018 | England | August 1958 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| BEVERLEY, Peter Robert RESIGNED | Director | 01 Jun 2012 | 18 Jan 2018 | England | January 1955 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| BRADDELL, John Roland Lyndhurst RESIGNED | Director | 24 Apr 2007 | 19 Jan 2012 | England | June 1949 | 1 Cholmondeley Walk, Richmond, Surrey, TW9 1NS |
| BROWN, Katharine Jessie, Dr RESIGNED | Director | 22 Nov 2016 | 18 Jan 2018 | England | May 1979 | 9, Swinburne Road, London, SW15 5ED, England |
| BUCKLE, David Michael RESIGNED | Director | 22 Nov 2016 | 06 Feb 2018 | England | February 1980 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE |
| CAMPBELL, Stephanie RESIGNED | Director | 02 Feb 1998 | 02 May 2001 | | August 1950 | 21 Ham Street, Richmond, Surrey, TW10 7HR |
| COLLARD, John RESIGNED | Director | 19 Jul 2010 | 22 Jan 2018 | United Kingdom | October 1946 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| DOREY, Mark Peter RESIGNED | Director | 02 Feb 1998 | 05 Nov 1999 | | October 1963 | The Beeches, Stableford Hall, Stapleford, Salop, WV15 5LS |
| DUCKWORTH, James Morris Beesley RESIGNED | Director | 01 Sep 2005 | 15 Jul 2006 | | May 1944 | 39 Crown Road, Twickenham, Middlesex, TW1 3EJ |
| FAULDS WOOD, Lynn RESIGNED | Director | 22 May 1997 | 03 Feb 1998 | | March 1948 | 5 St Georges Road, St Margarets, Twickenham, Middlesex, TW1 1QS |
| GEDDES, Nicholas Martin RESIGNED | Director | 02 Feb 1998 | 28 Sep 2006 | | August 1958 | Parkfield, Woodend, Styal, Cheshire, SK9 4HF |
| JACKSON, Paul Anthony RESIGNED | Director | 24 Apr 2007 | 22 Nov 2016 | England | October 1950 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE |
| JANSEN, Paulus Maria RESIGNED | Director | 15 Sep 2011 | 18 Jan 2018 | England | March 1966 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| KAUFMAN, Pamela Ruth RESIGNED | Director | 28 Feb 2000 | 09 Jul 2002 | United Kingdom | June 1948 | 25 Ringwood Avenue, London, N2 9NT |
| LEACH, James Adam RESIGNED | Director | 15 Sep 2011 | 20 Oct 2017 | England | May 1959 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| LEWIS, Shirley-Anne RESIGNED | Director | 22 May 1997 | 16 Jun 1997 | | January 1955 | 28f Harcourt Terrace, London, SW10 9JR |
| MECHANECK, Deborah Leah RESIGNED | Director | 15 Sep 2011 | 30 Jan 2018 | England | November 1946 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| PITCHERS, Christopher, Sir RESIGNED | Director | 22 Apr 2008 | 18 Jan 2018 | England | October 1942 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| SADLER, Paul, Dr RESIGNED | Director | 23 Jun 2003 | 10 May 2010 | | September 1946 | Stonecrest House, Breach Hill Lane, Chew Stoke, Bristol, BS40 8YA |
| SPRINGALL, Roger, Doctor RESIGNED | Director | 22 May 1997 | 11 Feb 1999 | | November 1949 | Oakend, Amersham Road, Chalfont St. Peter, Gerrards Cross, Buckinghamshire, SL9 0PU |
| TAYLOR, Richard John Johnson RESIGNED | Director | 09 Nov 2004 | 07 Feb 2013 | United Kingdom | February 1945 | 19, Meredyth Road, London, SW13 0DS |
| UTLEY, Annabel Jane RESIGNED | Director | 15 Sep 2011 | 03 Feb 2012 | United Kingdom | July 1978 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |
| WEBBER, John RESIGNED | Director | 11 Jan 2000 | 31 Jul 2002 | | May 1946 | 97 Castelnau, Barnes, London, SW13 9EL |
| WEBSTER, Mark RESIGNED | Director | 22 May 1997 | 02 Feb 1998 | | November 1953 | 30 Courtnell Street, London, W2 5BX |
| WHITTAKER, Rosemary Jane RESIGNED | Director | 08 May 2000 | 09 Sep 2008 | | February 1955 | St. Helena House, Friars Lane, Richmond, Surrey, TW9 1NP |
| WILES, Angela RESIGNED | Director | 22 Nov 2016 | 18 Jan 2018 | United Kingdom | September 1968 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE |
| WOOLF, Nicholas RESIGNED | Director | 16 Jan 2007 | 10 Feb 2015 | England | September 1946 | Wyngates, Portsmouth Road Esher, Kingston, Surrey, KT10 9JA |
| WOOLNOUGH, Lesley Mary Hilda RESIGNED | Director | 15 May 2012 | 18 Jan 2018 | United Kingdom | July 1959 | Harlequin House -2nd, Floor, 7 High Street, Teddington, Middlesex, TW11 8EE, United Kingdom |