| CONWAY, Amarjit ACTIVE | Secretary | 09 Mar 2020 | | | | Part Level 5, Zig Zag Building, 70 Victoria Street, London, SW1E 6SQ, England |
| TOMLINSON, Guy Geoffrey ACTIVE | Director | 27 Sep 2018 | | United Kingdom | November 1966 | Part Level 5, Zig Zag Building, 70 Victoria Street, London, SW1E 6SQ, England |
| GREY, Trudy Michelle RESIGNED | Secretary | 29 Oct 2015 | 06 Jun 2019 | | | Third Floor, 1 Park Road, Teddington, London, TW11 0AP, United Kingdom |
| JOYCE, Stephanie Jane RESIGNED | Secretary | 23 Jan 2014 | 01 Jul 2016 | | | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| SELLICK, Kyle Graham RESIGNED | Secretary | 06 Jun 2019 | 09 Mar 2020 | | | Third Floor, 1 Park Road, Teddington, London, TW11 0AP, United Kingdom |
| STONE, Holly Jo RESIGNED | Secretary | 06 Jun 2019 | 09 Mar 2020 | | | Third Floor, 1 Park Road, Teddington, London, TW11 0AP, United Kingdom |
| SWALES, Andrew Gregory RESIGNED | Secretary | | 15 May 1996 | | | 24 Spring Gardens, East Molesey, Surrey, KT8 2JA, Uk |
| TURNER, Geoffrey RESIGNED | Secretary | 16 Mar 1990 | 30 Oct 2015 | | | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| WYATT, Andrew William RESIGNED | Secretary | 15 May 1996 | 23 Jan 2014 | | | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| AMARATUNGA, Shane Roshan, Dr RESIGNED | Director | 01 Oct 2003 | 31 Dec 2006 | | May 1971 | 11 Heathfield Terrace, Newton Road, Bovey Tracey, Devon, TQ13 9BA |
| BERNATT, Noel John RESIGNED | Director | 05 Oct 2015 | 27 May 2016 | London | January 1968 | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| BRIGHT, David Alan RESIGNED | Director | 27 Sep 2018 | 10 Apr 2023 | United Kingdom | July 1963 | Third Floor, 1 Park Road, Teddington, London, TW11 0AP, United Kingdom |
| BUTTGEREIT, Volker, Dr RESIGNED | Director | 01 Oct 2003 | 12 Aug 2016 | England | November 1967 | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| COLEMAN, Simon Anthony, Doctor RESIGNED | Director | 01 Oct 1996 | 20 Jul 2000 | | July 1966 | 124 Varsity Drive Rugby Road, Twickenham, Middlesex, TW1 3DA |
| CORMACK, Douglas RESIGNED | Director | 20 Jul 1994 | 14 Mar 1996 | | January 1939 | 9 Abbots Close, Datchworth Green, Knebworth, Hertfordshire, SG3 6TA |
| CRADDOCK, Christopher Stefan RESIGNED | Director | 01 Sep 2007 | 15 Aug 2014 | | December 1972 | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| CUSHION, Michelle Claire, Dr RESIGNED | Director | 21 Nov 2016 | 01 Sep 2018 | England | November 1977 | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| DAVIES, Melvyn Edward RESIGNED | Director | | 14 Mar 1996 | | March 1947 | Kingfishers Coronation Road, Ascot, Berkshire, SL5 9LQ |
| DOCHERTY, Andrew Peter RESIGNED | Director | 01 Jan 2002 | 30 Sep 2005 | | January 1948 | 282 Fernhill Road, Cove, Farnborough, Hampshire, GU14 9EE |
| DOCHERTY, Andrew Peter RESIGNED | Director | | 31 Dec 2001 | | January 1948 | 282 Fernhill Road, Cove, Farnborough, Hampshire, GU14 9EE |
| FRENCH, Peter Douglas RESIGNED | Director | 31 Dec 2001 | 30 Sep 2005 | United Kingdom | September 1949 | 29 The Watergardens, Warren Road, Kingston Upon Thames, Surrey, KT2 7LF |
| GALLAGHER, John Paul RESIGNED | Director | 25 Sep 1996 | 30 Sep 1999 | | May 1952 | 55, Dukes Ridge, Crowthorne, Berkshire, RG45 6NS |
| GOODRICH, David RESIGNED | Director | | 01 Jan 1994 | | April 1941 | Whitecroft Hatton Hill, Windlesham, Surrey, GU20 6AB |
| HANNAH, John Logan RESIGNED | Director | 01 Jan 1994 | 31 Dec 1996 | | January 1936 | Squirrels Glade, Wellington Plantation, Truro, Cornwall, TR3 6QP |
| HARROP, David Owen RESIGNED | Director | 01 Oct 2006 | 30 Sep 2012 | United Kingdom | September 1956 | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| LAMBERT, James Victor RESIGNED | Director | 01 Oct 2005 | 30 Sep 2006 | England | June 1945 | The Spinney, 11a Western Road West End, Southampton, Hampshire, SO30 3EN |
| MCSWEENEY, David Keith RESIGNED | Director | 28 Oct 2016 | 28 Sep 2018 | United Kingdom | October 1958 | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| MCSWEENEY, David Keith RESIGNED | Director | 08 Dec 2005 | 31 Jan 2011 | United Kingdom | October 1958 | 42 Links Road, Ashstead, Surrey, KT21 2HJ |
| MCSWEENEY, David Keith RESIGNED | Director | 31 Dec 2001 | 30 Sep 2005 | United Kingdom | October 1958 | 42 Links Road, Ashstead, Surrey, KT21 2HJ |
| RAINFORD, David John RESIGNED | Director | | 17 Nov 1994 | | January 1953 | 125 Portsmouth Road, Cobham, Surrey, KT11 1JN |
| RAYNER, Ralph Frank, Dr RESIGNED | Director | 31 Jan 2011 | 01 Apr 2016 | United Kingdom | December 1954 | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| ROGERS, Stephen RESIGNED | Director | | 01 Jan 1994 | | February 1955 | 26 Rubislaw Den South, Aberdeen, Aberdeenshire, AB2 6BB |
| ROWE, Stephen James RESIGNED | Director | 28 Oct 1991 | 25 Oct 2007 | | March 1948 | 56 St Nicholas Drive, Shepperton, Middlesex, TW17 9LD |
| ROWE, Stephen James RESIGNED | Director | | 31 Dec 1996 | | March 1948 | 56 St Nicholas Drive, Shepperton, Middlesex, TW17 9LD |
| SMIRREN, Jan Robert Van RESIGNED | Director | 29 Feb 2016 | 31 Oct 2017 | United States | February 1959 | Goodrich House, 1 Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| SMITH, Gary Michael RESIGNED | Director | 01 Oct 2012 | 31 Dec 2015 | United Kingdom | January 1961 | 1, Waldegrave Road, Teddington, Middlesex, TW11 8LZ, United Kingdom |
| SWANN, Roger RESIGNED | Director | 01 Oct 1999 | 31 Dec 2001 | England | October 1946 | Sunningwood House, 7 Holmes Close, Ascot, Berkshire, SL5 9TJ |
| WILKINSON, Paul Lawrence RESIGNED | Director | 27 Sep 2018 | 29 Feb 2020 | Australia | May 1975 | Third Floor, 1 Park Road, Teddington, London, TW11 0AP, United Kingdom |