​F.H. Pings : September 1909 - April 1912
R. Ferguson : May 1912 - April 1914
J.E. Ritchey : May 1914 - April 1918
R. Ferguson : May 1918 - April 1920
W.B. Hennessy : May 1920 - April 1934
H.K. Newman : May 1934 - April 1937
L.H. Norley : May 1937 - April 1949
G.A. Holmes : May 1949 - April 1953
R.G. Arnot : May 1953 - April 1977
Don McClain : May 1977 - January 1986
Tom Hammerbacker : January 1986 - August 1992
Byron Grubb : August 1992 - January 2006
John Shevlin : January 2006 - March 2011
Wendy Judisch : March 2011 - December 2021
Jamie Miller : January 2022 - February 2024
A. David Cates : March 2024 - present
​
