President
- 2023 – Present Dr Ian Donnan
- 2021 – 2023 Dr Chris Corbin
- 2019 – 2021 Prof Jonathan Brown
- 2016 – 2019 Dr Andrew Partner
- 2013 – 2016 Mrs Liana Middleton
- 2011 – 2013 Mr David Hillam
- 2009 – 2011 Dr Andrew Clymo
- 2007 – 2009 Dr Gordon Williams
- 2005 – 2007 Dr Stephen Gibson
- 2003 – 2005 Mr Kevin Gibbin
- 2001 – 2003 Dr Frankie Walters
- 1999 – 2001 Dr John Busby
- 1997 – 1999 Dr Tony Watson
- 1995 – 1997 Dr Michael Bagshaw
- 1994 – 1995 Dr Ray Outwin
- 1993 – 1994 Dr Gordon Taylor
- 1991 – 1993 Dr Geoffrey Fearnley
- 1990 – 1991 Dr Harry Holm
- 1988 – 1990 Dr David Rowe
- 1986 – 1988 Dr Douglas Bain
- 1984 – 1986 Dr Mary Smith
- 1983 – 1984 Mr Brian Pickard
- 1981 – 1983 Dr Christopher Linton
- 1979 – 1981 Professor Maurice Hallett
- 1978 – 1979 W/Cdr Dr David Reader
- 1975 – 1978 Dr Sydney Agnew
- 1972 – 1975 Dr Keith Read
- 1966 – 1972 Dr J McClory
Honorary Secretaries
- 2021 – Present Dr Ian Wilson
- 2015 – 2021 Dr Ian Donnan
- 2008 – 2015 Dr Jeremy Radcliffe
- 2003 – 2008 Dr Norena McAdam
- 1995 – 2003 Dr Andrew Clymo
- 1991 – 1995 Mr Brian Pickard
- 1978 – 1991 Dr Geoffrey Fearnley
- 1976 – 1978 Mr Jeffrey Spry – Leverton
- 1974 – 1976 Mr Bill Wilkinson
- 1968 – 1974 Dr Mary Smith
Honorary Treasurers
- 2021 – Present Dr Anthony Maxwell
- 2018 – 2021 Dr Christopher Lydiatt
- 2011 – 2018 Dr Janet Gibson
- 2003 – 2011 Mr David Hillam
- 1994 – 2003 Dr Gordon Taylor
- 1979 – 1994 Dr Michael Bagshaw
- 1974 – 1979 Mr Ossie Roberts
- 1968 – 1974 Dr Frankie Walters