Warren currently serves as the Associate Director of Community Programming for the Center of Jewish Life and Learning at Jewish Federation of Greater Philadelphia. Prior to that, he was the Senior Director of Programming for the Gershman Y in Philadelphia where the Jewish Exponent named him the "next wave" of arts and culture in the city. Warren also served as the literary manager and dramaturg for Philadelphia Theatre Company, where he dramaturged world premieres by Bill Irwin, Chris Durang, and Terrence McNally. In New York, Warren was the Associate Artistic Director of Jewish Repertory Theatre, where he produced and dramaturged a season of Jewish musicals in concert. He was also a writer and reviewer for TalkinBroadway.com, where he covered the Off-Broadway and cabaret scene, and he currently writes for CastAlbums.org.
In addition to working in the theater community, Warren holds a Ph.D. in American Literature from the University of California-Santa Cruz, and he has taught at multiple universities. He earned rave reviews for his book The Passing Game: Queering Jewish American Culture, published by Syracuse University Press. His newest book is The Great White Way: Race and Broadway Musical (2014). Warren is also a playwright, and his work has been developed in Philadelphia, New York, Dallas, and Chicago.