| FOX, Erina ACTIVE | Secretary | 12 Feb 2013 | | | | 3rd Floor, North & South Wings, 100 Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GP, United Kingdom |
| CUNNINGHAM, Diarmaid ACTIVE | Director | 23 Apr 2018 | | Ireland | January 1975 | 3rd Floor, North & South Wings, 100 Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GP, United Kingdom |
| LYONS, Emer ACTIVE | Director | 02 Aug 2024 | | Ireland | January 1978 | 3rd Floor, North & South Wings, 100 Longwater Avenue, Green Park, Reading, Berkshire, RG2 6GP, United Kingdom |
| BANNISTER, Derek RESIGNED | Secretary | 13 Oct 1998 | 24 Jan 2003 | | | 23 Fletsand Road, Wilmslow, Cheshire, SK9 2AD |
| BRENNAN, Brendan RESIGNED | Secretary | 01 Dec 2009 | 25 Jan 2013 | | | Skelton House, Manchester Science Park, Lloyd Street North, Manchester, M15 6SH |
| GRAY, Martin RESIGNED | Secretary | | 13 Oct 1998 | | | 4 Richmond Close, Hadfield, Glossop, SK13 1EA |
| O'DWYER, Brian RESIGNED | Secretary | 24 Jan 2003 | 01 Oct 2008 | | | 9105, Whistling Swan Lane, Manlius, Ny Ny 13104, Usa |
| ASTON, Gwen RESIGNED | Director | 12 Feb 2013 | 28 Feb 2014 | United Kingdom | June 1960 | Skelton House, Manchester Science Park, Lloyd Street North, Manchester, M15 6SH |
| BANNISTER, Derek RESIGNED | Director | 13 Oct 1998 | 24 Jan 2003 | England | July 1956 | 23 Fletsand Road, Wilmslow, Cheshire, SK9 2AD |
| BRENNAN, Brendan, Mr. RESIGNED | Director | 31 Jul 2016 | 02 Aug 2024 | Ireland | April 1978 | 500, South Oak Way Green Park, Reading, RG2 6AD, England |
| CLIMAX, John, Dr RESIGNED | Director | 24 Jan 2003 | 17 Dec 2009 | | November 1952 | Concept House, 6 Stoneycroft Rise, Chandlers Ford, Eastleigh, Hampshire, SO53 3LD |
| COPESTAKE, Andrew John RESIGNED | Director | 01 Dec 2009 | 25 Mar 2010 | United Kingdom | January 1967 | Ids, Skelton House, Manchester Science Park, Lloyd Street North, Manchester, M15 6SH |
| FREY, Thomas RESIGNED | Director | 01 Dec 2009 | 01 Sep 2011 | Usa | June 1952 | Skelton House, Manchester Science Park, Lloyd Street North, Manchester, M15 6SH |
| GLEESON, Michael RESIGNED | Director | 21 Dec 2011 | 19 Dec 2016 | Northern Ireland | November 1978 | Concept House, 6 Stoneycroft Rise, Chandlers Ford, Eastleigh, Hampshire, SO53 3LD |
| GRAY, Peter RESIGNED | Director | 24 Jan 2003 | 21 Dec 2011 | | November 1954 | Skelton House Manchester Science Park, Lloyd Street North, Manchester, M15 6SH |
| GRIFFITHS, Andrew, Dr RESIGNED | Director | 03 Apr 2003 | 18 Feb 2004 | United Kingdom | November 1958 | 12 Sarum View, Winchester, Hampshire, SO22 5QF |
| HOLT, Beverley Lee, Dr RESIGNED | Director | | 20 Apr 1994 | | March 1936 | Broom Farm, Underbarrow, Kendal, Cumbria, LA8 8HP |
| MORGAN, Alan Stuart RESIGNED | Director | 25 Mar 2010 | 28 Oct 2011 | England | October 1964 | Skelton House, Manchester Science Park, Lloyd Street North, Manchester, M15 6SH |
| MURRAY, Ciaran RESIGNED | Director | 01 Dec 2009 | 23 Apr 2018 | Ireland | September 1962 | Concept House, 6 Stoneycroft Rise, Chandlers Ford, Eastleigh, Hampshire, SO53 3LD |
| ROCCI, Mario RESIGNED | Director | 26 Jun 2013 | 31 Jul 2016 | United States | November 1952 | Concept House, 6 Stoneycroft Rise, Chandlers Ford, Eastleigh, Hampshire, SO53 3LD |
| ROLAN, Paul Edward, Dr RESIGNED | Director | 14 Apr 1994 | 24 Jan 2003 | | January 1956 | Cob Cottage, 43 Church Street, Great Budworth, CW9 6HH |
| ROWLAND, Malcolm, Professor RESIGNED | Director | | 24 Jan 2003 | United Kingdom | August 1939 | 39 Bramhall Park Road, Bramhall, Stockport, Cheshire, SK7 3NN |
| SCHAEFER, Peter Graham RESIGNED | Director | | 13 Oct 1998 | | November 1939 | Woodbrook, Ladybrook Road, Bramhall, Cheshire, SK7 3NB |
| TALLENTIRE, Alan, Professor RESIGNED | Director | | 31 Oct 1996 | | August 1929 | 16 Green Villa Park, Wilmslow, Cheshire, SK9 6EJ |
| THIAN, Robert Peter RESIGNED | Director | 15 Nov 1996 | 13 Oct 1998 | | August 1943 | 15a Princes Gate Mews, London, SW7 2PS |
| TOON, Stephen, Dr RESIGNED | Director | | 24 Jan 2003 | | February 1956 | 6 Bracken Way, Glossop, Derbyshire, SK13 8SY |
| WHALVIN, Julia Caroline RESIGNED | Director | 21 Dec 2011 | 23 Jan 2013 | United Kingdom | May 1970 | Skelton House, Manchester Science Park, Lloyd Street North, Manchester, M15 6SH, Uk |