| QUAYSECO LIMITED ACTIVE | Secretary | 02 Sep 2009 | | | | One, Glass Wharf, Bristol, BS2 0ZX, United Kingdom |
| BARAZZA, Agostino ACTIVE | Director | 01 Nov 2020 | | Italy | May 1973 | One, Glass Wharf, Bristol, BS2 0ZX |
| ETHERINGTON, Karen June, Dr ACTIVE | Director | 01 Aug 2017 | | United Kingdom | June 1968 | Thames Valley Science Park, Gateway Building, 1 Collegiate Square, Shinfield, RG2 9LH, United Kingdom |
| VINEY, Roger David, Dr ACTIVE | Director | 10 Nov 2025 | | United Kingdom | June 1968 | One, Glass Wharf, Bristol, BS2 0ZX |
| BENNING PRINCE, Sharon Jeen RESIGNED | Secretary | 10 Sep 2008 | 17 Nov 2008 | | | 52, Avondale Avenue, Hinchley Wood, Esher, Surrey, KT10 0DA |
| LAWSON, Christopher John, Dr RESIGNED | Secretary | | 09 Nov 2006 | | | 4 Plumtrees, Earley, Reading, Berkshire, RG6 5QQ |
| MACDONALD, Katie RESIGNED | Secretary | 09 Nov 2006 | 28 Mar 2007 | | | Adderbury Hill Barn, Milton Road, Adderbury, Oxfordshire, OX17 3HN |
| MILLINGTON, Darren Michael RESIGNED | Secretary | 28 Mar 2007 | 19 Sep 2008 | | | 120 Luscinia View, Napier Road, Reading, Berkshire, RG1 8AF |
| WEIR, Anthony RESIGNED | Secretary | 17 Nov 2008 | 23 Mar 2009 | | | 91, Milton Park, Milton, Abingdon, Oxfordshire, OX14 4RY |
| CARY, John Lucius Arthur RESIGNED | Director | | 24 Dec 1997 | United Kingdom | February 1947 | Huntswood House, Harpsden, Henley On Thames, Oxfordshire, RG9 4HY |
| FINCH, William John Hugh RESIGNED | Director | 16 Dec 1997 | 01 Oct 2002 | United Kingdom | April 1958 | Old Well House Church Street, Appleford, Abingdon, Oxfordshire, OX14 4PA |
| FROMSON, John, Dr RESIGNED | Director | 31 May 2006 | 28 Mar 2007 | | October 1941 | The Clock House, 8 Bradstone Brook, Christmas Hill, Shalford, Guildford, GU4 8HE, Surrey |
| HACKING, Andrew John, Dr RESIGNED | Director | | 28 Mar 2007 | | July 1947 | 85 The Avenue, Mortimer Common, Reading, Berkshire, RG7 3RB |
| LAWSON, Christopher John, Dr RESIGNED | Director | | 28 Mar 2007 | England | October 1942 | 4 Plumtrees, Earley, Reading, Berkshire, RG6 5QQ |
| LEE, Steven Koon Ching, Dr RESIGNED | Director | 28 Mar 2007 | 02 Sep 2009 | United Kingdom | October 1966 | Kings Cottage, Goring Lane, Mortimer, Berkshire, RG7 3AY |
| LEWIS, Andrew John RESIGNED | Director | 02 Sep 2009 | 10 Jul 2013 | | February 1964 | 11 Hardle Street, Kokowhitu, Palmerston North, New Zealand |
| MARSTON, Fiona Angela Olinda, Dr RESIGNED | Director | 01 Oct 2002 | 28 Mar 2007 | England | January 1953 | Greenfields, Croft Road Shinfield, Reading, Berkshire, RG2 9EY |
| MILLINGTON, Darren Michael RESIGNED | Director | 28 Mar 2007 | 19 Sep 2008 | United Kingdom | May 1976 | 120 Luscinia View, Napier Road, Reading, Berkshire, RG1 8AF |
| MURRAY, Neil David RESIGNED | Director | 28 Jan 2005 | 28 Mar 2007 | | August 1963 | Creag Cottage, Lochgoilhead, Argyll, PA24 8AH |
| WEIR, Anthony RESIGNED | Director | 17 Nov 2008 | 23 Mar 2009 | | June 1960 | 91, Milton Park, Milton, Abingdon, Oxfordshire, OX14 4RY |
| WEYMOUTH WILSON, Alexander Charles, Dr RESIGNED | Director | 28 Jan 2005 | 28 Mar 2007 | | February 1968 | 56 Station Road, Cholsey, Oxfordshire, OX10 9PX |
| WEYMOUTH-WILSON, Alexander Charles, Dr RESIGNED | Director | 10 Jul 2013 | 08 Sep 2025 | United Kingdom | February 1968 | Thames Valley Science Park, Gateway Building, 1 Collegiate Square, Shinfield, RG2 9LH, United Kingdom |