| Name | Years Served | Birth | Death |
| Joseph A. Alutto (Interim) | 07-1-2007 to 09-30-2007 | ||
| Karen Ann Holbrook | 10-1-2002 to 6-30-2007 | 11-6-1942 | |
| Edward Harrington Jennings (Interim) | 7-1-2002 to 9-30-2002 | 2-18-1937 | |
| William English Kirwan | 7-1-1998 to 6-30-2002 | 4-14-1938 | |
| John Richard Sisson(Acting) | 1-1-1998 to 6-30-1998 | 10-16-1936 | |
| Elwood Gordon Gee | 9-1-1990 to 12-31-1997 | 2-2-1944 | |
| Edward Harrington Jennings | 9-1-1981 to 8-31-1990 | 2-18-1937 | |
| Harold Leroy Enarson | 9-1-1972 to 8-31-1981 | 5-24-1919 | 7-28-2006 |
| Novice Gail Fawcett | 8-1-1956 to 8-31-1972 | 3-29-1909 | 6-19-1998 |
| Howard Landis Bevis | 2-1-1940 to 7-31-1956 | 11-19-1885 | 4-24-1968 |
| William McPherson (Acting) | 7-1-1938 to 3-1-1940 | 7-2-1864 | 10-2-1951 |
| George Washington Rightmire | 1926 to 1938 | 11-15-1868 | 12-23-1952 |
| William Oxley Thompson | 1899 to 1925 | 11-5-1855 | 12-9-1933 |
| James Hulme Canfield | 1895 to 1899 | 3-18-1847 | 3-29-1909 |
| William Henry Scott | 1883 to 1895 | 9-1-1840 | 1-11-1937 |
| Walter Quincy Scott | 1881 to 1883 | 12-19-1845 | 5-9-1917 |
| Edward Orton Sr | 1873 to 1881 | 3-9-1829 | 10-16-1899 |