Brian Collisson, PhD

Associate Professor, Department of Psychology

Phone: (626) 815-6000
Photo of Brian Collisson, PhD


Brian Collisson, PhD, is a social psychologist whose research is at the interface of relationships, personality, and prejudice. His work has been published in scholarly journals—Psychological Science, Journal of Social and Personal Relationships, and Social Psychological & Personality Science—and has garnered popular media attention. His recent projects generally focus on the dark side of dating, such as how romantic partners' dark personality traits affect relationship processes and why people express prejudice towards dissimilar romantic couples.


  • PhD, Psychology, University of Florida
  • MS, Psychology, University of Florida
  • BA, Psychology, California State University, San Bernardino

Academic Area

  • School of Behavioral and Applied Sciences
    • Department of Psychology


  • Dark Personalities
  • Non-Experimental Research Methods
  • Prejudice
  • Social Perception
  • Social Relationships
  • Teaching of Psychology

Courses Taught

  • PSYC 110 – General Psychology
  • PSYC 295 – Social Psychology
  • PSYC 475/598 – Research Team
  • PSYC 501 – Theory, Research, and Practice in Psychology
  • PRWR 260 – Writing 2: Psychology Subdisciplines and Career Trajectories