Gregory M. Herek, Ph.D. Professor of Psychology at the University of California at Davis (UCD). He received his Ph.D. in social psychology from UCD in 1983, then was a postdoctoral fellow at Yale University. He subsequently served as a faculty member at Yale and the Graduate Center of the City University of New York before returning to UCD, first as a research psychologist and later as a tenured professor.
An internationally recognized authority on prejudice against lesbians and gay men, hate crimes and anti-gay violence, and AIDS-related stigma, he has published numerous scholarly articles on these topics

Biographical Sketch
http://psychology.ucdavis.edu/rainbow/html/bio.html