2023 – present: Hanna Steyne

2021 – 2023: Alasdair Brooks

2017 – 2021: Jacqui Pearce

2014 – 2017: Harold Mytum

2011 – 2014: David Caldwell

2008 – 2011: Nick Brannon

2005 – 2008: Geoff Egan+

2002 – 2005: David Gaimster

1999 – 2002: Roger Leech

1994 – 1998 David Barker

1991 – 1993 Michael Ponsford

1988 – 1990 L.A.S. Butler+

1985 – 1987 H. Tait+

1982 – 1984 I. G. Robertson+

1979 – 1981 J.H. Ashdown

1976 – 1978 K.J. Barton+

1973 – 1975 D.W. Crossley+

1970 – 1972 J.G. Hurst+

1967 – 1969 R.J. Charleston+