William A. Coyne
Dates Unknown
Fred Bone
Dates Unknown
Ford J. Schwarts
Appointed January 15, 1908
William J. Pflanzer
Appointed in 1910 – Resigned January 8, 1935
William H. Fulkerth
Appointed January 8, 1935 to January 21, 1936
(Filled Chief Pflanzer’s unexpired term)
Clarence V. Dunham
Appointed January 21, 1936 to January 6, 1959
Dick Brandt
Appointed January 6, 1959 to 1963
William Rainey
1963 to 1973
Jim Thornberry
1973 to 1975
Jerry Crisp
1975 to 1982
Michael T. Hannigan
Appointed July 1, 1984 to March 7, 2014
Pierino Gerome
Appointed March 7, 2014 to September 19, 2016
Steven H. Johnson
Appointed on November 15, 2016