Inaugural Address delivered 10 March 1993:
"Advocacy in a Time of Change"
(J Dent Res 72(7):1062-1063, 1993)
Director, University of Southern California Center for Craniofacial Biology 1968
Director, National Institute of Dental and Craniofacial Research, 1995-2000
Dean, University of Southern California School of Dentistry, 2000-2008