| DORN, Gregory Hume ACTIVE | Director | 14 Sep 2011 | | United States | January 1968 | 701, Gateway Blvd, Suite 600, South San Francisco, Ca 94080, United States |
| NICHOLS, Darren Joseph ACTIVE | Director | 14 Sep 2011 | | England | July 1970 | Stratus House, Emperor Way, Exeter Business Park, Exeter, EX1 3QS, England |
| TUCHINDA, Charles ACTIVE | Director | 14 Aug 2018 | | United States | April 1975 | Stratus House, Emperor Way, Exeter Business Park, Exeter, EX1 3QS, England |
| ARNOLD, Robert RESIGNED | Secretary | 14 Sep 2011 | 20 Sep 2016 | | | Swallowtail House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH |
| GODBEER, Leonard George RESIGNED | Secretary | | 11 Sep 1997 | | | 26 Grecian Way, Woodwater Lane, Exeter, Devon, EX2 5PF |
| MCKECHNIE, Kerri Lynn RESIGNED | Secretary | 16 Nov 2018 | 29 Jun 2023 | | | Swallowtail House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH |
| NICHOLS, Darren Joseph RESIGNED | Secretary | 04 Oct 2000 | 14 Sep 2011 | | | 4, Cobbe House, Station Road, Ide, Exeter, Devon, EX2 9RS |
| NISBET, Aimee RESIGNED | Secretary | 14 Aug 2018 | 30 Sep 2024 | | | Stratus House, Emperor Way, Exeter Business Park, Exeter, EX1 3QS, England |
| RALPH, Corrina Marie RESIGNED | Secretary | 20 Sep 2016 | 16 Nov 2018 | | | Swallowtail House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH |
| WILLIAMSON, Mark RESIGNED | Secretary | 12 Sep 1997 | 04 Oct 2000 | | | Middle Wicket, Station Road, Newton Abbot, Devon, TQ13 0NL |
| ASHFORD, John Robert, Professor RESIGNED | Director | | 31 Dec 1998 | | March 1929 | Ide House, Ide, Exeter, Devon, EX2 9RB |
| ASHFORD, Peter John RESIGNED | Director | 23 Nov 1993 | 01 Aug 1996 | | December 1963 | Brooklands Water Street, Martock, Somerset, TA12 6JP |
| BARNES, Alan RESIGNED | Director | | 01 Aug 1996 | | July 1930 | Chorlton House Fulshaw Park, Wilmslow, Cheshire, SK9 1QH |
| CUMMING, Gordon, Professor RESIGNED | Director | | 31 Dec 1999 | | May 1922 | The Old Rectory, Poltimore, Exeter, Devon, EX4 0AR |
| CUMMING, Robert Gordon RESIGNED | Director | 11 Nov 1993 | 01 Aug 1996 | | January 1960 | 24 Tasman Road, London, SW9 9LU |
| CUNNINGHAM, Richard RESIGNED | Director | 01 Aug 1996 | 15 Feb 1999 | | May 1946 | 45 Maplewood Boulevard, Suffern, New York, 10901, Usa |
| DIENHART, Jeffrey Alan RESIGNED | Director | 01 Sep 2015 | 31 Aug 2017 | United Kingdom | April 1969 | Swallowtail House, Grenadier Road, Exeter Business Park, Exeter, Devon, EX1 3LH, United Kingdom |
| FINCH, Joyce Doreen Anne RESIGNED | Director | | 01 Aug 1996 | | March 1931 | 36 Hill View Gardens, Felton Lulsgate, Bristol, Avon, BS18 7U |
| FLAVELL, David Alan RESIGNED | Director | 27 Dec 2001 | 10 May 2010 | England | July 1954 | Little Close, Ilsington, Newton Abbot, Devon, TQ13 9RR |
| GLOVER, Edward Hugh, Dr RESIGNED | Director | 01 Sep 1999 | 27 Dec 2001 | | July 1954 | Whitestone Lodge, Whitestone, Exeter, Devon, EX4 2JY |
| HIRSCHMANN, Joseph Lawrence RESIGNED | Director | 01 Aug 1996 | 17 Sep 2002 | | December 1941 | 3091 Oakmont, San Bruno, California, 94066, Usa |
| JOSLIN, Raymond RESIGNED | Director | 01 Aug 1996 | 27 Dec 2001 | | November 1936 | 84 Cowdray Park Drive, Conyers Farm, Greenwich, CT 06831, Usa |
| LOTT, Reginald Saunders RESIGNED | Director | | 26 Jun 1994 | | October 1929 | 25 Countess Wear Road, Exeter, Devon, EX2 6LR |
| MALLOCH, Richard Paul RESIGNED | Director | 21 Sep 1999 | 23 May 2018 | United States | April 1954 | 106, Rockwood Lane, Greenwich, Ct 06830, United States |
| MANSFIELD, Terence Gordon RESIGNED | Director | 01 Aug 1996 | 17 Sep 2002 | United Kingdom | November 1938 | Chapmore End House, Chapmore End, Ware, Hertfordshire, SG12 0HE |
| MOSS, Geoffrey RESIGNED | Director | | 01 Aug 1996 | | November 1923 | Two Cedars Truss Hill Road, Sunninghill, Ascot, Berkshire, SL5 9AL |
| PALERMO, Joseph Thomas RESIGNED | Director | 01 Aug 1996 | 17 Sep 2002 | | September 1949 | 3525 Helen Drive, Pleasaton, California, 94588, Usa |
| SMITH, John Charles Clifford RESIGNED | Director | | 01 Aug 1996 | | September 1920 | Selbourne 4 Oakdown Close, Whitchurch Hill, Reading, Berkshire, RG8 7NR |
| SMITH, Nigel Willingdon RESIGNED | Director | 25 Nov 1993 | 01 Aug 1996 | | November 1948 | The Old School House, Aslockton Road, Scarrington, Nottinghamshire, NG13 9BP |
| WILBANKS, Robert David RESIGNED | Director | 17 Sep 2002 | 20 Feb 2018 | United States | December 1958 | 6108, Tripp Place, Charlotte, North Carolina 28277, Usa |
| WILSON, James Leon RESIGNED | Director | 27 Dec 2001 | 06 Oct 2004 | | December 1943 | 1359 Montclaire Way, Los Altos, California Ca 94024, Usa |
| WRIGHT, William Morley RESIGNED | Director | 21 Sep 1999 | 31 Dec 2007 | | May 1949 | 250 West South St Apt 24e, New York, 10019, Usa |