Delores Dee Follette
March 1966 – April 1995
Darrell Ralph Griffin
April 1995 to September 1995
Charlotte Whitacre
September 1995 – April 1997
Nick Bonner
April 1997 – April 2001 (two terms)
Jill Sprinkle
April 2001 – April 2007 (three terms)
Nick Bonner
April 2007 – April 2009
Nick Bonner
April 2009 – June 2013
Dana Dehaesus
June 2013 – present