Jennifer Joy Freyd (/fraɪd/; born October 16, 1957, in Providence, Rhode Island) is an American researcher, author, educator, and speaker. Freyd is an extensively published scholar who is best known for her theories of betrayal trauma, DARVO, institutional betrayal, and institutional courage. She is also the leader of the Program on Interdisciplinary Perspectives on Sexual Violence at the Center for Advanced Study in the Behavioral Sciences at Stanford University.