George Perry 2006-Present
Neuropathology
W. A. (Bill) Baker 2004-2005 (Interim)
Chemistry
Deborah L. Armstrong 2003-2004 (Interim)
Biopsychology
William H. Scouten 2000-2003
Biochemistry
Weldon W. Hammond 1999-2000 (Interim)
Geology
Rey Elizondo 1993-1999
Physiology
James H. Tracey 1987-1993
Electrical Engineering
R. K. Smith 1986-1987
Geology
Charles E. Hathaway 1981-1986
Physics
Miguel Medina 1980-1981 (Interim)
Pharmacology
Bernard P. Sagik 1973-1980
Virology