Judith Halberstam (born 15 December, 1961) is Professor of English and Director of The Center for Feminist Research at University of Southern California. Before joining USC she was an Associate Professor in the Department of Literature at the University of California at San Diego (UCSD). In the broader cultural sphere, she has made contributions as a gender and queer theorist and author; she is also a participant in the drag king community under the name "Jack" Halberstam. She joined Duke University's faculty in 2007.