| 1914-1948 | J. Robert Overman |
| 1948-1965 | Frank C. Ogg |
| 1965-1973 | Louis Graue |
| 1973-1981 | Vern Terwilliger |
| 1981-1983 | Charles Holland |
| 1983-1985 | Vijay Rohatgi |
| 1985-1987 | Arjun Gupta |
| 1987-1991 | Hasoon Al-Amiri |
| 1991-1994 | Andrew Glass |
| 1994-1994 | David Meronk (interim) |
| 1994-1999 | John Hayden |
| 1999-2007 | Neal Carothers |
| 2007- | Kit Chan |
Feb 14, 2007