Cygnet Theatre: When the Rain Stops Falling, Hayfever, The Vortex, The Glass Menagerie, Noises Off, Arcadia, Little Foxes, Copenhagen. Regional Theatre: 33 Variations (Theatreworks, Palo Alto),  Love In American Times (San Jose Rep), Steel Magnolias (La Mirada Theatre), Dividing the Estate, Sea of Tranquility, Romeo and Juliet, Missing Footage, Trojan Women, (Old Globe Theatre), San Diego Theatre: Favorite roles include; Golda's Balcony. (New Village Arts) Uncanny Valley, Doubt. (San Diego Rep) Mandate Memories, Ghosts, Wit, Amy's View,(The North Coast Repertory Theatre), Lettuce & Lovage, (Lambs Players Theatre) Shirley Valentine, Long Days Journey Into Night, (Renaissance Theatre Company.) Other San Diego theatres include New Village Arts, Mo’olelo Performing Arts Company, Sledgehammer Theatre and Malashock  Dance Company. Rosina has directed over 30 productions in San Diego, most recently Zoo Story (Backyard Renaissance Theatre) Blithe Spirit (North Coast Rep) The Hour of Great Mercy (Diversionary Theatre). She is the founding artistic Director of the Chequamegon Children’s Theatre in Northern Wisconsin.