| COTTRELL, Judith ACTIVE | Secretary | 05 Apr 2012 | | | | Gemini Building, Fermi Avenue, Harwell, Didcot, Oxfordshire, OX11 0QR, England |
| HIGGINSON, Kevin Mark ACTIVE | Director | 20 Apr 2011 | | England | October 1959 | Gemini Building, Fermi Avenue, Harwell, Didcot, Oxfordshire, OX11 0QR, England |
| LOWRY, John Howard ACTIVE | Director | 05 Apr 2012 | | United Kingdom | December 1942 | Gemini Building, Fermi Avenue, Harwell, Didcot, Oxfordshire, OX11 0QR, England |
| DWYER, Daniel John RESIGNED | Nominee Secretary | 02 Jun 1997 | 13 Jun 1997 | | | 6 Brimstone Close, Chelsfield Park, Chelsfield, Kent, BR6 7ST |
| MASON, John Gerard RESIGNED | Secretary | 19 Sep 1997 | 27 Nov 1997 | | | Tall Trees 11 Rimes Close, Kingston Bagpuize, Abingdon, Oxfordshire, OX13 5AL |
| OWEN, Jennifer Margaret RESIGNED | Secretary | 19 Jul 2010 | 05 Apr 2012 | | | Gemini Building, Fermi Avenue, Harwell, Didcot, Oxfordshire, OX11 0QR, England |
| PARKER, Michael Jonathan Francis RESIGNED | Secretary | 01 Apr 2010 | 20 Jun 2010 | | | Building 329, Harwell, Didcot, Oxfordshire, OX11 0QJ |
| ROGERS, Claire Nicola RESIGNED | Secretary | 13 Jun 1997 | 12 Aug 1997 | | | 19 Longwood Close, Leeds, West Yorkshire, LS17 8SP |
| ROPER, Philip RESIGNED | Secretary | 26 Jul 2007 | 31 Mar 2010 | | | Building 329, Harwell, Didcot, Oxfordshire, OX11 0QJ |
| RUSSELL, Keith John RESIGNED | Secretary | 27 Nov 1997 | 26 Jul 2007 | | | Elsfield Crafts End, Chilton, Didcot, Oxfordshire, OX11 0SA |
| SUMNER, Nicola Hayley RESIGNED | Secretary | 12 Aug 1997 | 19 Sep 1997 | | | 123 Shawclough Way, Rochdale, Lancashire, OL12 6EE |
| ALEXANDER, Mark Charles Hugh Orkell RESIGNED | Director | 19 Sep 1997 | 14 Jan 1998 | Uk | November 1958 | Sherborne House, Green Lane Uffington, Faringdon, Oxfordshire, SN7 7SA |
| BROWN, Kevin Jeremy, Dr RESIGNED | Director | 01 Apr 1998 | 04 Dec 2000 | England | February 1950 | 14 Carlton Close, Grove, Wantage, Oxfordshire, OX12 0PU |
| CROWLE, Vivian Alan RESIGNED | Director | 19 Sep 1997 | 31 Mar 1998 | | August 1943 | Highfields London Road, Crowborough, East Sussex, TN6 1UT |
| CUMMINGS, Alice Sarah Louise RESIGNED | Director | 01 Jun 2009 | 20 Apr 2011 | England | November 1963 | Gemini Building, Fermi Avenue, Harwell, Didcot, Oxfordshire, OX11 0QR, England |
| DONNACHIE, Martin RESIGNED | Director | 01 Oct 2001 | 13 May 2002 | | July 1969 | 16 Reedley Drive, Worsley, Manchester, Lancashire, M28 7XR |
| DOYLE, Betty June RESIGNED | Nominee Director | 02 Jun 1997 | 13 Jun 1997 | | June 1936 | 8 The Bartons, Elstree Hill North, Elstree, Herts, WD6 3EN |
| DWYER, Daniel John RESIGNED | Nominee Director | 02 Jun 1997 | 13 Jun 1997 | | April 1941 | 6 Brimstone Close, Chelsfield Park, Chelsfield, Kent, BR6 7ST |
| FROUD, Keith RESIGNED | Director | 13 Jun 1997 | 19 Sep 1997 | | September 1970 | 12 Cavalier Drive, Apperley Bridge, Bradford, West Yorkshire, BD10 0UF |
| GOVER, Marcus Paul, Dr RESIGNED | Director | 17 Jul 2000 | 13 May 2002 | England | March 1964 | 80 Lydalls Road, Didcot, Oxfordshire, OX11 7DT |
| HARRIS, David Roy RESIGNED | Director | 01 Apr 2001 | 01 Oct 2001 | | August 1957 | 53 Mably Grove, Wantage, Oxfordshire, OX12 9XW |
| HARRISON, Philip Rex RESIGNED | Director | 01 Oct 2000 | 13 May 2002 | England | April 1960 | Nether Cottage, Causeway Wood, Acton Burnell, Shrewsbury, Shropshire, SY5 7HT |
| HILL, Stuart John, Dr RESIGNED | Director | 04 Dec 2000 | 31 Mar 2001 | | March 1950 | Kynnersley House, College Road, Wolverhampton, West Midlands, WV6 8QE |
| HOLDEN, Philip Leslie RESIGNED | Director | 13 May 2002 | 25 Jun 2004 | | March 1952 | 3 Greenacres Drive, Wantage, Oxfordshire, OX12 9NR |
| LLOYD, Howard David RESIGNED | Director | 14 Jan 1998 | 31 Mar 2001 | | April 1950 | Knightsward Lower Road, Chilton, Didcot, Oxfordshire, OX11 0RR |
| LOUGHBOROUGH, David RESIGNED | Director | 20 Jul 2004 | 05 Apr 2005 | | October 1961 | Windy Nook Keoltag Drive, Reay, Caithness, KW14 7SD |
| MARSON, David John RESIGNED | Director | 01 Apr 2001 | 13 May 2002 | England | November 1955 | Langdale, 5a Benett Close, Newbury, Berkshire, RG14 1PU |
| MASON, John Gerard RESIGNED | Director | 19 Sep 1997 | 27 Nov 1997 | | July 1957 | Tall Trees 11 Rimes Close, Kingston Bagpuize, Abingdon, Oxfordshire, OX13 5AL |
| MELLING, Nicholas RESIGNED | Director | 13 Jul 1998 | 31 Mar 2001 | | March 1961 | Daytone Batts Bridge Road, Maresfield, Uckfield, East Sussex, TN22 2HJ |
| MORETON, Christopher Hugh Edwards RESIGNED | Director | 19 Sep 1997 | 31 Aug 2001 | | October 1966 | Forest End Forest Green, Dorking, Surrey, RH5 5RZ |
| NASH, David Reginald RESIGNED | Director | 19 Sep 1997 | 31 Mar 1998 | | December 1945 | 20 Gaggle Wood, Mannings Heath, Horsham, Sussex, RH13 6JR |
| NORMAN, Jorgensen, Dr RESIGNED | Director | 09 Jan 2006 | 31 Mar 2007 | | June 1958 | Planters Lodge, Cutbush Lane Lower Earley, Reading, Berkshire, RG6 4UU |
| OWEN, Jennifer Margaret RESIGNED | Director | 19 Jul 2010 | 05 Apr 2012 | England | July 1955 | Gemini Building, Fermi Avenue, Harwell, Didcot, Oxfordshire, OX11 0QR, England |
| PARKER, Michael Jonathon RESIGNED | Director | 01 Apr 2010 | 20 Jun 2010 | England | November 1954 | Gemini Building, Fermi Avenue, Harwell, Didcot, Oxfordshire, OX11 0QR, England |
| ROGERS, Claire Nicola RESIGNED | Director | 13 Jun 1997 | 12 Aug 1997 | | December 1969 | 19 Longwood Close, Leeds, West Yorkshire, LS17 8SP |
| ROPER, Philip RESIGNED | Director | 31 Mar 2007 | 31 Mar 2010 | England | December 1954 | Building 329, Harwell, Didcot, Oxfordshire, OX11 0QJ |
| RUSSELL, Keith John RESIGNED | Director | 27 Nov 1997 | 31 Mar 1998 | | April 1955 | Elsfield Crafts End, Chilton, Didcot, Oxfordshire, OX11 0SA |
| SUMNER, Nicola Hayley RESIGNED | Director | 12 Aug 1997 | 19 Sep 1997 | | November 1969 | 123 Shawclough Way, Rochdale, Lancashire, OL12 6EE |
| WALKER, Brian James, Doctor RESIGNED | Director | 13 May 2002 | 12 Dec 2005 | | January 1944 | 49 Roman Way, Wantage, Oxfordshire, OX12 9YF |
| WALKER, Brian James, Doctor RESIGNED | Director | 05 Jan 1998 | 21 Jul 2000 | | January 1944 | 49 Roman Way, Wantage, Oxfordshire, OX12 9YF |
| WATTS, Ralph Turvill RESIGNED | Director | 06 Apr 2005 | 31 May 2009 | United Kingdom | May 1953 | Kit Robins, Jennys Lane, Lytchett Matravers, Dorset, BH16 6BP |
| WENBORN, Michael James RESIGNED | Director | 27 Aug 1998 | 13 Sep 1999 | | July 1969 | Fairways Beech Avenue, Effingham, Leatherhead, Surrey, KT24 5PJ |
| WOOD, Melvyn Harry RESIGNED | Director | 19 Sep 1997 | 27 Apr 1998 | | March 1948 | 6 Orchard Close, Corfe Mullen, Wimborne, Dorset, BH21 3TW |
| WOODWARK, David Robert, Dr RESIGNED | Director | 19 Sep 1997 | 05 Jan 1998 | England | August 1952 | Home Farm House, 21 School Lane Milton, Abingdon, Oxfordshire, OX14 4EH |