Robin Chazdon (Executive Director 2014-2019)
W. John Kress (Executive Director 1999-2013)
Robert L. Dressler (Executive Director 1965-1968)
Julie Denslow (Executive Director 1989-1998)
Paul A. Opler (Executive Director 1988)
D. Mueller-Dombois (Executive Director 1987)
Edward Ayensu (Executive Director 1970-1971)
