Dr. Johnson has taught at Westminster Seminary California since 1982. He previously pastored Orthodox Presbyterian churches in Fair Lawn, New Jersey, and East Los Angeles, California. After teaching New Testament for 16 years, he now teaches primarily preaching and ministry courses, in which he applies his background in biblical studies to the issues of ministry, the church, and the culture. Dr. Johnson is Associate Pastor of New Life Presbyterian Church, a Presbyterian Church in America congregation in Escondido. He has served as moderator of the Orthodox Presbyterian Church General Assembly and Presbytery of Southern California, moderator of South Coast Presbytery in the Presbyterian Church in America, member of the Orthodox Presbyterian Church Committee on Christian Education, and trustee of Covenant College. Dr. Johnson preached and taught in various countries in Africa, Asia, Europe, and Latin America.