Senior Professor of Christian and Historical Theology, Denver Seminary
Professor at Denver Seminary since 1958
Professor, Baptist Bible Seminary (1951-1958)
Adjunct professor, Union Biblical Seminary in Yeotmal, India and London
Guest lecturer in Japan, the Philippines, Taiwan, and Thailand
Otros aspectos destacados de la carrera
Ordained Baptist minister
Associate or interim pastor for six churches
Advisory Board member, Where Is God Ministries (beginning in 1999)
Member of the World Evangelical Fellowship Theological Commission in London (1996)
President, Evangelical Theological Society (1992)
President, Evangelical Philosophical Society (1985)
Associate to the Lausanne Committee for World Evangelism, specializing in reaching cultists (1984)
Consulted for his expertise in cult development
Work in cult development for United States government and multiple parachurch organizations
Publicaciones
Numerous books, including Confronting the Cults, Judge for Yourself,Testing Christianity’s Truth Claims, and his magnum opus, Integrative Theology, a book he coauthored with Dr. Bruce Demarest