| 1927-28 |
Mr R M Erskine |
| 1929-47 |
Mr S H Jackson |
| 1948-66 |
Mr W Andrews |
| 1967 |
Mr D Moreland |
| 1968-70 |
Dr W Ritchie |
| 1971-72 |
Mr C S Cave |
| 1973-74 |
Mr G Orr |
| 1975 |
Mr R B Matier |
| 1976-77 |
Mr T Greenwood |
| 1978-79 |
Mr D Loker |
| 1980-81 |
Mr T McCloy |
| 1982-83 |
Mr R Law |
| 1984-85 |
Mr H C McCall |
| 1986-87 |
Mr J W R Boyce OBE |
| 1988-89 |
Mr A J Linehan |
| 1990-91 |
Mr J C Hiles |
| 1992-93 |
Mr J McMorran |
| 1994-95 |
Mr S I Gourley |
| 1996-97 |
Mr J H Caldwell |
| 1998-99 |
Mr H McCrory |
| 2000-01 |
Mr R J Johnson |
| 2002-03 |
Dr E M Power |
| 2004-05 |
Mr B J Milford |
| 2006-07 |
Mr W R Boyd |
| 2008-09 |
Mr W J W McKinty |
| 2010-11 |
Mr R F Bell |
| 2012-13 |
Mr B Walsh |
| 2014-16 |
Mr A Clement |
| 2017-19 |
Mr A Waite |
| 2020-21 |
Mr S Beckett |
| 2022-23 |
M P McMorran |
| 2024- |
Mr M Humphreys |
Notes:
(a) Title of office
1927-75 Chair of Senior Committee
1976-2001 Chair of Executive Committee
2002- Chair
(b) To avoid complications caused by changes in AGM dates, the years stated are the seasons/Annual Reports in which each individual is recorded as having held office.
