Katharine Horowitz has been designing sound for theatre in the Twin Cities and Minnesota region since 2000.

She has designed for Mixed Blood Theatre (for which she was the sound designer for two Ivey Award Honorees), Pillsbury House Theatre, Penumbra Theatre, Park Square Theatre, Frank Theatre, History Theatre, Torch Theater, Girl Friday Productions, Gremlin Theatre, Mu Performing Arts, The Provincetown Tennessee Williams Festival, and The Great River Shakespeare Festival, among many others.

Katharine holds a BA in Theatre Arts from the University of Iowa.