Regina Cate has designed costumes for American Conservatory Theatre, the Magic Theatre, the Xoregos Dance Company, the Berkeley Shakespeare Festival and many other theatre companies. Her designs for dance have been produced in New York and Europe. She has designed several world premiere plays including Michael McClure's Gorf, Minnie Mouse and the Tap Dancing Buddha and the West Coast premiere of David Mamet's Sexual Perversity in Chicago and Marsha Norman's 'Night Mother.