Col. William B. Preston
Col. William B. Preston, 1888-1889
Lunsford L. Lomax
Lunsford L. Lomax, Acting Director, 1889-1890
William D. Saunders
William D. Saunders, 1890-1890
John McBryde
John McBryde, 1891-1904
Andrew M. Soule
Andrew M. Soule, 1904-1908
S. W. Fletcher
S. W. Fletcher, 1908-1914
W.J. Schoene
W.J. Schoene, 1914-1916
A.W. Drinkard
A.W. Drinkard, 1916-1946
Harold N. Young
Harold N. Young, 1946-1965
Coyt T. Wilson
Coyt T. Wilson, 1965-1978
James R. Nichols
James R. Nichols, 1978-1991
Andy Swiger
Andy Swiger, 1992-1994
Robert Q. Cannell
Robert Q. Cannell, 1994-1999
Kriton K. Hatzios
Kriton K. Hatzios, 1999-2003
Craig L. Nessler
Craig L. Nessler, 2004-2009
Saied Mostaghimi
Saied Mostaghimi, 2009 - Present