Luther Mason 1970 – 1971
Fred Palmer 1972
Luther Mason 1973
Tom Farley Sr. 1974 – 1979
B. C. Medlock 1980 – 1985
Tom Barnes 1986 – 1987
B. C. Medlock 1988
Tom Barnes 1989
Curtis Creed 1990 – 1992
Jim Miller 1993 – served partial term
Katherine Bichsel 1993 – 1994
Jesse Renteria 1995 – 1997
Sidney Mitchell 1998 – 2000
Curtis R. Franz 2001 – 2003
Jesse Renteria 2004
Alex Torres 2005 – served partial term
Jose Garza Jr. 2005 – 2007
Michael Trainer 2008 — 2023
Charlie Ricketts 2024 — present