Moorer began working in theatre production in 1981 as production manager for Carl Cherry Foundation's New Play Series. By 2006, he had produced over 350 shows. He founded GroveMont Theatre, now Pacific Repertory Theatre, in 1982, acting as Artistic Director, and based the company in the Monterey Playhouse. Since that time, he has continued to lead the organization's activities as a major Monterey County arts institution and the only professional theatre company on the Monterey Peninsula. In 1986, he oversaw the creation of the GroveMont Theatre Arts Center (now the Hoffman Street Theatre), and in 1990, he directed the renovation of the Monterey Playhouse.