1974 to 1978 R.E. Richardson
1979 to 1981 J.E. Shepherd
1981 to 1989 L. Willis, G.C.C.
1989 to 1993 A.C. Mason
1993 to 1996 Dr. J.R. Allin
1996 to 2006 R.S. Parsons, K.C.C.
2006 to 2016 J.R.W. Clements, K.C.C.
2016 to S. Roberts
1974 to 1975 J. Crowther, OBE.
1976 to 1979 J.E. Shepherd
1979 to 1981 L. Willis
1981 to 1988 R.O. Chatburn
1988 to 1989 A.C. Mason
1989 to 1993 Dr. J.R. Allin
1993 to 1995 J. Fitton
1995 to 1998 R. Aitken
1998 to 2006 M.S. Rudkin, OBE, DL.
2006 to 2009 K. Slater
2009 to 2012 R.E. Eaton
2012 to 2016 S. Roberts
2016 to 2020 B.J. Humphrey, BEM
2020 to R. Wade