J. A. Liner, 1908–1912 Ralph K. Robertson, 1912–1913 E. M. Frost, 1913 Robert P. Short, 1913–1914 A. C. Farley, 1914–1920 A. E. Wickizer, 1920–1923 John G. March, 1923–1927 John Coffey, 1927–1931 Charles M. Conwill, 1931–1946 Clarence H. Breedlove, 1946–1947 C. Vernon Howell, 1947–1957 Clarence L. Davis, 1957–1960 Richard B. Burch, 1960–1969 Don J. Owen, 1969–1980 Don C. Davis, 1980–2002 Cindy Ross, 2002–2013 John M. McArthur, 2013–present