Heidi Riggio is a Professor of Psychology in the Department of Psychology at California State University, Los Angeles. She has been teaching a variety of courses in Psychology for over 25 years, including Social Psychology, Personality Psychology, Introductory Psychology, Sex & Gender, Research Methods, Statistics, and other courses, including in Marketing and Management. She is an expert in sibling and adulthood family relationships, romantic relationships, sexuality, and attitudes, including political and religious attitudes.