Berkow has worked with Terrence McNally, John Kander and Fred Ebb as the director of the Off-Broadway revival of The Rink, and directed the Off-Broadway productions of Red Hot Mama and The Lady in Penthouse B. His regional credits include Florida Studio Theatre, Indiana Repertory, Theatre South Carolina, Playhouse on the Square, Gateway Playhouse, Virginia Repertory, Connecticut Repertory, Coconut Grove Playhouse, American Stage, Florida Repertory Theatre, Theatre  Works, the Burt Reynolds Theatre, Riverside Theatre and Circa 21.