Duffer has been involved in new works and script development with Threads Theatre Company (serving as a Founding Member and the Executive Director of New Works), Pulse Ensemble Theatre, Manhattan Theatre Source, Kaleidoscope Theatre Company, Fort Wayne Civic Theatre and Brooklyn based The Artful Conspirators. His play, Asleep in the Arms of God, received its world premiere in November 2017 at the Box Theatre in Riverside, CA produced by New Threads Productions (CA). His play, Big Girl, Little World premiered at the New York International Fringe Festival in 2003. Prior to joining Amphibian as Managing Director, Jay was Associate Professor of Theatre and Department Chair at Huntington University in Indiana. At HU, he directed a wide variety of approximately 50 plays and musicals while heading the theatre program. He is a proud member of Actors Equity Association and is an Associate Member of the Stage Directors and Choreographers Society.