Standing, left to right: Dr. John F. MacDonald (2001-2008), Dr. John R.G. Challis (1995-2000), Dr. Patricia L. Brubaker (Acting, 2000-2001), Dr. Stephen G. Matthews (2008-2014)
Seated, left to right: Dr. Harold L. Atwood (1981-1991), Dr. Mladen Vranic (1991-1995)