Her current research focuses on the performance of early modern drama. She is the author of articles and reviews in Theatre History Studies, Theatre Survey, Theatre Journal, and Shakespeare Quarterly, as well as chapters in Women and Playwriting in Nineteenth Century Britain (Cambridge University Press) and Passing Performances: Queer Reading of Leading Players in American Theatre History (University of Michigan Press). Dr. Walen served for several years as the Performance Review editor for Theatre Journal, and is currently on the editorial board of TRM. She is the author of Constructions of Female Homoeroticism in the Early Modern Drama (Palgrave, 2005).