| BREARLEY, John Richard ACTIVE | Secretary | 14 Aug 2006 | | | | 39 Beverley Terrace, Cullercoats, North Shields, Tyne & Wear, NE30 4NU |
| BARING, Charles Evelyn, 2nd Baron Howick Of Glendale ACTIVE | Director | | | United Kingdom | December 1937 | Howick, Alnwick, Northumberland, NE66 |
| CUTHBERT, John Aidan ACTIVE | Director | | | United Kingdom | March 1934 | Beaufront Castle, Hexham, Northumberland, NE46 4LT |
| DUCHESS OF NORTHUMBERLAND, Isobel Jane Miller, The Most Nobel ACTIVE | Director | 25 Jun 1997 | | England | May 1958 | Alnwick Castle, Alnwick, Northumberland, NE66 1NQ |
| HERBERT, Robin Arthur Elidyr ACTIVE | Director | 19 May 1993 | | United Kingdom | March 1934 | 117 Blenheim Crescent, London, SW11 2EQ |
| HOPPER, Stephen, Professor ACTIVE | Director | 28 Nov 2007 | | United Kingdom | June 1951 | Royal Botanic Gardens, Kew Green, Richmond, Surrey, TW9 3AB |
| PERCY, Ralph George Algernon, Duke Of Northumberland ACTIVE | Director | | | United Kingdom | November 1956 | Alnwick Castle, Alnwick, Northumberland, NE66 1NQ |
| COULSON, Kenneth RESIGNED | Secretary | 10 Nov 1997 | 14 Aug 2006 | | | Bridge End, Denwick, Alnwick, Northumberland, NE66 3RF |
| DALEY, Derek Anthony RESIGNED | Secretary | 01 Jan 1996 | 10 Nov 1997 | | | Swiss Cottage, 2 Canongate, Alnwick, Northumberland, NE66 1NE |
| SAPTE, Peter RESIGNED | Secretary | | 24 Nov 1995 | | | Wenred House, 7 Nascot Wood Road, Watford, Hertfordshire, WD17 4RT |
| MAY MAY & MERRIMANS (SOLICITORS) RESIGNED | Secretary | | 03 Mar 2009 | | | 12 South Square, Grays Inn, London, WC1R 5HH |
| CRANE, Peter Robert, Prof Sir RESIGNED | Director | 28 Jun 2000 | 03 Aug 2007 | | July 1954 | 49 Kew Green, Richmond, Surrey, TW9 3AA |
| ECCLES, John Dawson, Viscount RESIGNED | Director | | 19 May 1992 | England | April 1931 | 5 St Johns House, 30 Smith Square, London, SW1P 3HF |
| LAMBTON, Antony Claud Frederick, Lord RESIGNED | Director | 25 Jun 1997 | 19 Jun 2006 | | July 1922 | Biddick Hall, Lambton Park, Chester-Le-Street, County Durham, DH3 4PH |
| LOVETT, John Haddon RESIGNED | Director | 27 Jun 2001 | 18 Jun 2003 | United Kingdom | August 1951 | Hetton House, Wooler, Northumberland, NE71 6ET |
| PERCY, Henry Alan Walter Richard, His Grace The 11th Duke Northumberland RESIGNED | Director | | 31 Oct 1995 | | July 1953 | Alnwick Castle, Alnwick, Northumberland, NE66 1NQ |
| PRANCE, Ghillean Tolmie, Sir RESIGNED | Director | | 14 Sep 1999 | England | July 1937 | The Old Vicarage, Silver Street, Lyme Regis, Dorset, DT7 3HS |
| SMIT, Timothy Bartel RESIGNED | Director | 25 Jun 1997 | 11 Nov 1999 | United Kingdom | September 1954 | Treveague, Gorran, St Austell, Cornwall, PL26 6NY |
| WHITE RIDLEY, Matthew, Doctor RESIGNED | Director | 25 Jun 1997 | 01 Jan 2004 | | February 1958 | Blagdon Hall Blagdon, Seaton Burn, Newcastle Upon Tyne, Tyne & Wear, NE13 6DD |