2026 – Ms Melissa Packham

2025 – 2026 – Mr Marc Barnes & Dr Gregory Harper (Co-Chairs)

2023 – 2025 - Dr Michael Depalo

2020 - 2023 Mr Duncan McDonald

2016 - 2020 Mr P Schutz

2013 - 16 Dr A Astin

2011 - 13 Ms J Davey

2009 - 11 Dr M Eyles

2007 - 09 Mr P Lancaster

2005 - 07 Mr K Grice

2003 - 05 E'Prof P Baumgartner

2001 - 03 Dr J A Robertson

1999 - 01 Prof C B Hudson

1997 - 99 A/Prof R Mason

1995 - 97 Prof K A Buckle

1993 - 95 Mr I Eustace

1991 - 93 Mr A D Mortimer

1989 - 91 Dr B A Munce

1987 - 89 Mr A F Zipper

1985 - 87 Mr K A Harper

1983 - 85 Dr J G Fairbrother

1981 - 83 Dr B C Rankin

1979 - 81 Mr R E Leverington

1977 - 79 Prof R A Edwards

1975 - 77 Mr M Bird

1973 - 75 Mr P E Searle

1971 - 73 Mr J F Kefford

1969 - 71 Dr K T H Farrer

1967 - 69 Dr J R Vickery