Over three decades, Havis has had his plays produced at theatres across the country and in Europe, including San Diego Rep, Old Globe, Vox Nova, Seattle's ACT, Odyssey, Long Wharf, South Coast Rep, American Repertory Theatre, Hartford Stage, Virginia Stage, WPA, Berkshire Theatre Festival, Trapdoor Theatre, Coral Gable’s New Theatre, Interact Theatre, Philadelphia Theatre Co. and Rowholt Theater-Verlag (National German Radio). Works commissioned by England's Chichester Festival, Sundance, San Diego Rep, Ted Danson's Anasazi Productions, South Coast Rep, Mixed Blood, CSC Rep, Malashock Dance, Carolina Chamber Chorale, National Foundation for Jewish Culture, and UC San Diego.