William T. Cox 1911-1924Grover M. Conzet 1924-1937Ellery Foster 1937-1939Henry G. Weber 1939-1948Clarence Prout 1948-1954 and 1963-1965Edward L. Lawson 1954-1963Earl J. Adams 1965-1967 and 1973-1979Clarence B. Buckman 1967-1969William A. Aultfather 1969-1973Rodney W. Sando 1979-1979Raymond B. Hitchcock 1979-1987Gerald A. Rose 1987-2001Michael R. Carroll 2001-2005David J. Epperly 2005-2012Forrest Boe 2012-2022Patty Thielen 2022-present