| CROSS, Stephen ACTIVE | Director | 01 Apr 2015 | | United Kingdom | October 1956 | 130-132 Buckingham Palace Road, London, SW1W 9SA, United Kingdom |
| FRENCH, Neil Peter Donaldson, Dr RESIGNED | Secretary | 19 Nov 2001 | 21 Jan 2002 | | | Oakleaves, 5 Barrington Park Gardens, Chalfont St. Giles, Buckinghamshire, HP8 4SS |
| MACDONALD, Iain Graham Ross RESIGNED | Secretary | 17 Dec 1999 | 16 Nov 2001 | | | 172 White Hill, Chesham, Buckinghamshire, HP5 1AZ |
| PINTO, Jose Caetano Elias RESIGNED | Secretary | | 17 Dec 1999 | | | 197 Ramillies Road, Sidcup, Kent, DA15 9JE |
| SIMON, Jeremy Paul RESIGNED | Secretary | 21 Jan 2002 | 30 Jun 2015 | | | 130-132, Buckingham Palace Road, London, SW1W 9SA, United Kingdom |
| CONNOR, John Rowland RESIGNED | Director | | 29 Apr 1994 | | August 1939 | 5 Ford Close, Ashford, Middlesex, TW15 3SB |
| FIELDER, Barry William RESIGNED | Director | | 16 Jun 1995 | United Kingdom | August 1945 | 6 Queensborough House South, 18 Oatlands Chase, Weybridge, Surrey, KT13 9SF |
| FRASER, Ian Robert RESIGNED | Director | 17 Sep 1993 | 01 Oct 1998 | | May 1955 | 57 Popes Grove, Strawberry Hill, Twickenham, Middlesex, TW1 4JZ |
| FRENCH, Neil Peter Donaldson, Dr RESIGNED | Director | 14 Mar 2012 | 07 Jan 2014 | United Kingdom | March 1950 | 130-132, Buckingham Palace Road, London, SW1W 9SA, United Kingdom |
| HARRISON, Mark Andrew John, Mr. RESIGNED | Director | 01 Oct 2008 | 05 Jan 2009 | England | January 1964 | 5, Orchard Avenue, Harpenden, Hertfordshire, AL5 2DW |
| LAWRINSON, Anthony James RESIGNED | Director | 05 Jan 2009 | 31 May 2011 | England | February 1969 | Boundary House, Cricketfield Road, Uxbridge, Middlesex, UB8 1QG, United Kingdom |
| MACDONELL, Michael John Alistair RESIGNED | Director | 29 Apr 1994 | 17 Mar 1997 | | December 1960 | 4 Winchfield Court, Winchfield, Basingstoke, Hampshire, RG27 8SP |
| PAICE, Peter John RESIGNED | Director | | 29 Jan 1993 | United Kingdom | December 1943 | Flat 4a, 59 Harrington Gardens, London, SW7 4JZ |
| SIMON, Jeremy Paul RESIGNED | Director | 05 Oct 2009 | 30 Jun 2015 | England | February 1956 | 130-132, Buckingham Palace Road, London, SW1W 9SA, United Kingdom |
| TOOP, John Frank RESIGNED | Director | | 01 Mar 1996 | | November 1941 | Oakhurst 11 Randiddles Close, Hurstpierpoint, Hassocks, West Sussex, BN6 9BG |
| RELIANCE HIGH TECH LIMITED RESIGNED | Director | 01 Oct 1998 | 31 Mar 2015 | | | Boundary House, Cricketfield Road, Uxbridge, Middlesex, UB8 1QG |