| BARNES, Geoffrey Kenneth ACTIVE | Secretary | 19 Mar 2009 | | | | Langley Associates, Monson Business Centre, 3 Monson Road, Tunbridge Wells, Kent, TN1 1LH, England |
| BARNES, Geoffrey Kenneth ACTIVE | Director | 22 Sep 2015 | | United Kingdom | December 1952 | Reigate Business Centre, 7-11 High Street, Reigate, Surrey, RH2 9AA, United Kingdom |
| BUTLER, Malcolm, Dr ACTIVE | Director | 01 Mar 2018 | | England | July 1948 | Langley Associates, Monson Business Centre, 3 Monson Road, Tunbridge Wells, Kent, TN1 1LH, England |
| BOTTOMLEY, John Michael RESIGNED | Secretary | 27 Jan 2006 | 02 May 2008 | | | Apple Garth, Hook Road Rotherwick, Hook, Hampshire, RG27 9BY |
| FOSS, Christopher John RESIGNED | Secretary | 16 Jan 2003 | 06 Oct 2005 | | | 5 Connolly House, Oakwood Avenue, Epsom, Surrey, KT19 7LP |
| MOORE, John Gary RESIGNED | Secretary | 06 Oct 2005 | 27 Jan 2006 | | | Sandy Lodge, Sandy Lane, Kingswood, Surrey, KT20 6ND |
| TURNER, Brian Richard RESIGNED | Secretary | 09 Aug 2000 | 16 Aug 2000 | | | 206a Camberwell New Road, London, SE5 0TH |
| WHITE, Jeremy Mark RESIGNED | Secretary | 16 Aug 2000 | 16 Jan 2003 | | | 52 Grange Road, London, W5 5BX |
| BERENDS, Rudolph RESIGNED | Director | 13 Aug 2012 | 02 Jan 2015 | Austria | December 1945 | 742, Oberwirtsweg, Saalbach, 5753, Austria |
| BURCHELL, Michael Norman RESIGNED | Director | 06 Oct 2005 | 05 May 2010 | England | June 1940 | 30 St Marys Road, Leatherhead, Surrey, KT22 8EY |
| COLVIN, William RESIGNED | Director | 23 Sep 2013 | 28 Feb 2018 | United Kingdom | March 1958 | Steyning, Thorley Close, West Byfleet, Surrey, KT14 6JE, England |
| COWAN, Guy Michael RESIGNED | Director | 13 Jan 2011 | 15 Mar 2011 | Australia | August 1951 | 20, Broadwater Street, Runaway Bay, Queensland, Australia, 4216, Australia |
| ENG, Jeremy RESIGNED | Director | 27 Jan 2006 | 02 May 2008 | | April 1959 | Ballyedmond, Midleton, County Cork, Ireland |
| FOSS, Christopher John RESIGNED | Director | 21 Dec 2005 | 27 Jan 2006 | | January 1972 | 5 Connolly House, Oakwood Avenue, Epsom, Surrey, KT19 7LP |
| GORDON, James Douglas Strachan RESIGNED | Director | 09 Aug 2000 | 16 Aug 2000 | England | July 1961 | Flat 5, 67 Harley Street,, London, W1N 1DE |
| GROOM, Malcolm David John RESIGNED | Director | 27 Jan 2006 | 02 May 2008 | England | May 1950 | Westlodge, 169 Burwood Road, Walton On Thames, Surrey, KT12 4AT |
| HEARD, Graham Luxton RESIGNED | Director | 16 Jan 2003 | 27 Jan 2006 | England | June 1950 | 19 Waterford Road, London, SW6 2DJ |
| HEARD, Graham Luxton RESIGNED | Director | 21 Oct 2002 | 09 Dec 2002 | England | June 1950 | 19 Waterford Road, London, SW6 2DJ |
| HUNT, Gillian Clare RESIGNED | Director | 23 Jan 2003 | 06 Oct 2005 | United Kingdom | January 1961 | 25 Fellowes Way, Stevenage, Hertfordshire, SG2 8BW |
| MEW, Richard Martin RESIGNED | Director | 23 Nov 2010 | 13 Aug 2012 | England | April 1956 | Little Ridings, Norrels Drive, East Horsley, Leatherhead, Surrey, KT24 5DL, England |
| MOORE, John Gary RESIGNED | Director | 06 Oct 2005 | 06 Mar 2009 | | March 1950 | Sandy Lodge, Sandy Lane, Kingswood, Surrey, KT20 6ND |
| MUSGROVE, Derek Raymond RESIGNED | Director | 16 Aug 2000 | 21 Dec 2005 | United Kingdom | May 1944 | 31 Crossmead, London, SE9 3AA |
| PRITCHARD, Mark Alun RESIGNED | Director | 03 Jun 2010 | 23 Nov 2010 | England | May 1962 | 42, New Road, Welwyn, Hertfordshire, AL6 0AH, England |
| TIDOW, Thomas RESIGNED | Director | 13 Jan 2011 | 15 Mar 2011 | Peru | June 1959 | 638, Malecon De La Marina, Lima, Peru, 18, Peru |
| WHITE, Jeremy Mark RESIGNED | Director | 16 Aug 2000 | 06 Oct 2005 | United Kingdom | June 1953 | 52 Grange Road, London, W5 5BX |