Peter J. Cranfield
2019-Present
Kenneth G. Lee
2013-2019
Brenda Davies
2010-2013
Richard Morgan
2007-2010
Elizabeth Johnston
2004-2007
John Verity
2001-2004
Nick Davies
1999-2001
Geraldine Forster
1994-1998
Tony Tyers
1989-1994
David Hollis
1984-1989
David Gullick
1978-1984
Phillip Chalk
1974-1978
Denis Neal-Smith
1970-1975
James. B Williamson
1967-1970
- C.G. Roworth 1963-67
W. Ralph WInterton
1959-1963
- P.T. Spencer-Phillips 1957-59
- F.S. Poole 1955-57
Peter J. Cranfield
Peter Robson 2016-Present
R.E. Price 1955-1960
Stephen Clark
2005-2016
Kenneth G. Lee
1998-2005
John Verity
1993-1998
Nick Davies
1990-1993
Geraldine Forster
1984-1990
Tony Tyers
1978-1984
Jean Weddell
1974-1978
David Hollis
1970-1974
Phillip Chalk
1967-1970
Denis Neal-Smith
1960-1967
Frances Cranfield
1979-Present day
- David Miles 1976-79;
David Gullick
1955-1976