| HULBERT, Timothy Martin ACTIVE | Director | 22 Dec 2014 | | England | September 1970 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| LENEY, David ACTIVE | Director | 11 Jan 2017 | | England | February 1967 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| LLOYD, Caroline Mary RESIGNED | Secretary | 03 Oct 2005 | 04 Jun 2008 | | | The Little House, Knightons Lane, Dunsfold, Godalming, Surrey, GU8 4NU |
| STANLEY, John David RESIGNED | Secretary | 04 Jun 2008 | 24 Jun 2009 | | | 1743, Creek View Drive, Fogelsville, Pennsylvania, PA 18051, U.S.A. |
| TILLY, David William RESIGNED | Secretary | 03 Jul 2000 | 19 Feb 2001 | | | 44 Castle Gate, Nottingham, NG1 7BJ |
| CASTLEGATE SECRETARIES LIMITED RESIGNED | Secretary | 19 Feb 2001 | 03 Oct 2005 | | | 44, Castle Gate, Nottingham, Nottinghamshire, NG1 7BJ |
| BLATHERWICK, Iain Peter RESIGNED | Director | 03 Jul 2000 | 19 Feb 2001 | | June 1967 | The Old Dairy 67 North Road, West Bridgford, Nottingham, Nottinghamshire, NG2 7NG |
| FRANKS, Nicholas Peter, Professor RESIGNED | Director | 19 Feb 2001 | 03 Oct 2005 | England | October 1949 | 30 Horsell Road, Highbury, London, N5 1XP |
| GARRAWAY, Richard, Dr RESIGNED | Director | 01 Sep 2003 | 05 Jan 2005 | | February 1966 | 26 Eustace Road, London, Greater London, SW6 1JD |
| GINSBERG, William RESIGNED | Director | 19 Feb 2001 | 03 Oct 2005 | | March 1944 | 876 Park Avenue, New York, Ny 10021, U S A |
| JONES II, Willard RESIGNED | Director | 21 Apr 2009 | 31 Mar 2015 | Usa | February 1953 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| KLEYN, Dominique Elizabeth RESIGNED | Director | 19 Feb 2001 | 14 Apr 2003 | | December 1960 | 18 Kirkside Road, London, SE3 7SQ |
| KNIGHT, Christopher John RESIGNED | Director | 15 Apr 2003 | 03 Oct 2005 | England | June 1946 | 26 Highbury Place, London, N5 1QP |
| LLOYD, Caroline Mary RESIGNED | Director | 21 Apr 2009 | 08 Dec 2014 | United Kingdom | October 1961 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| LLOYD, Caroline Mary RESIGNED | Director | 03 Oct 2005 | 04 Jun 2008 | England | October 1961 | The Little House, Knightons Lane, Dunsfold, Godalming, Surrey, GU8 4NU |
| MACLEOD CLARKE, Tim RESIGNED | Director | 04 Jun 2001 | 31 Dec 2003 | | July 1941 | Suetts Farm, Suetts Lane, Bishops Waltham, Southampton, SO32 1DW |
| MAZE, Mervin, Prof RESIGNED | Director | 19 Feb 2001 | 03 Oct 2005 | | July 1947 | 26 Felden Street, London, SW6 5AF |
| NELIGAN, Patrick Moore RESIGNED | Director | 12 Jul 2011 | 11 Jan 2017 | Spain | June 1963 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| SAATKAMP, Friedrich Wilhelm RESIGNED | Director | 03 Oct 2005 | 12 Jul 2011 | Spain | April 1962 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |
| SARROCA IBANEZ, Jorge RESIGNED | Director | 03 Oct 2005 | 21 Apr 2009 | | March 1959 | Passeig De Les Moreres, 20, St. Andreu De Llavaneres, 08392, Spain |
| SHERIDAN, Diane Lorraine RESIGNED | Director | 14 Apr 2010 | 11 Dec 2012 | Usa | June 1950 | Hersham Place Technology Park, European Law Group, Air Products Plc Molesey Road, Walton-On-Thames, Surrey, KT12 4RZ |
| SMITH, Colin David RESIGNED | Director | 04 Nov 2003 | 21 Apr 2009 | England | February 1955 | Ellens, The Street Long Sutton, Hook, Hampshire, RG29 1SR |
| STANLEY, John David RESIGNED | Director | 04 Jun 2008 | 24 Jun 2009 | | November 1958 | 1743, Creek View Drive, Fogelsville, Pennsylvania, PA 18051, U.S.A. |
| TUFNELL, John Francis, Mr. RESIGNED | Director | 24 Jun 2009 | 14 Apr 2010 | United Kingdom | April 1950 | Hersham Place Technology Park, Molesey Road, Walton On Thames, Surrey, KT12 4RZ |