| JAMES, Stephen ACTIVE | Secretary | 23 Nov 2004 | | | | 7 Chaseside Close, Cheddington, Bedfordshire, LU7 0SA |
| BAULCOMBE, David Charles, Sir ACTIVE | Director | 01 Apr 2009 | | United Kingdom | April 1952 | 63 Caernarvon Road, Norwich, Norfolk, NR2 3HY |
| CAMERON, Ewen James Hanning, Lord ACTIVE | Director | 26 Apr 2005 | | England | November 1949 | Whitelackington Manor, Ilminster, Somerset, TA19 9EG |
| CONWAY, Gordon Richard, Sir ACTIVE | Director | 01 Apr 2011 | | United Kingdom | July 1938 | Mill Farm, Mill Lane, Ripe, Lewes, East Sussex, BN8 6AX, United Kingdom |
| CURRY, Donald Thomas Younger, Lord ACTIVE | Director | 01 Apr 2009 | | United Kingdom | April 1944 | Middle Farm, Barrasford, Hexham, Northumberland, NE48 4DA |
| DE RAMSEY, Lord, The Right Honourable ACTIVE | Director | 14 Oct 1996 | | England | February 1942 | Abbots Ripton Hall, Abbots Ripton, Huntingdon, Cambridgeshire, PE28 2PQ |
| BARNES, William RESIGNED | Secretary | | 31 Aug 1996 | | | Flat 4 The Manor House, Rothamsted Estate, Harpenden, Herts, AL5 2BE |
| THOMAS, Peter Stuart RESIGNED | Secretary | 01 Sep 1996 | 23 Nov 2004 | | | Richmond Lodge, Rhinefield Road, Brockenhurst, Hampshire, SO42 7SQ |
| BARSBY, Tina Lorraine RESIGNED | Director | 03 Dec 2012 | 01 Feb 2013 | United Kingdom | May 1957 | Rothamsted, Harpenden, Herts, AL5 2JQ |
| BLUNDELL, Thomas Leon, Professor Sir RESIGNED | Director | 01 Dec 1999 | 18 May 2009 | England | July 1942 | Dept Of Biochemistry, University Of Cambridge, Tennis Court Road, Cambridge, Cambridgeshire, CB2 1QW |
| COCKING, Edward Charles Daniel, Professor RESIGNED | Director | 09 Dec 1999 | 31 Dec 2014 | United Kingdom | September 1931 | 30 Patterdale Road, Woodthorpe, Nottingham, NG5 4LQ |
| HASKINS, Christopher Robin, Lord RESIGNED | Director | 09 Dec 1999 | 01 Jan 2016 | United Kingdom | May 1937 | Quarryside Farm Main Street, Skidby, Cottingham, East Yorkshire, HU16 5TG |
| HENDERSON FRS, William Macgregor, Sir RESIGNED | Director | | 07 Jun 1994 | | July 1913 | Yarnton Cottage High Street, Streatley, Reading, Berkshire, RG8 9HY |
| PLUMB, Charles Henry, Lord RESIGNED | Director | | 31 Dec 2003 | | March 1925 | The Dairy Farm, Maxstoke, Coleshill, Warwickshire, B46 2QJ |
| SOUTHWOOD, Thomas Richard Edmund, Professor Sir RESIGNED | Director | | 26 Oct 2005 | | June 1931 | Merton College, Oxford University, Oxford, Oxfordshire, OX1 2JD |
| THE EARL OF SELBORNE, John Roundell Palmer RESIGNED | Director | 13 Oct 1994 | 30 Oct 2007 | | March 1940 | The Estate Office, Blackmoor, Liss, Hampshire, GU33 6BS |
| WELLINGTON, His Grace Arthur Valerian RESIGNED | Director | | 09 Dec 1999 | | July 1915 | Stratfield Saye House, Basingstoke, Hampshire, RG27 0AS |