Craig is the founder, chairman and CEO of Shirley & McVicker Public Affairs, the public relations, marketing and government affairs firm he created in late 1984. In that time, the firm has successfully represented numerous conservative candidates, causes, issues, organizations, authors, foundations and individuals. Shirley has spent a lifetime in the American conservative movement and in 1980 and 1984, directed and participated in two critical independent expenditure campaigns supporting the candidacy of Ronald Reagan. He is also the author of four bestsellers on former president Ronald Reagan. Shirley, a widely sought-after speaker and commentator and appears regularly on many network and cable shows.