A. Craig Troxel (PhD, Westminster Theological Seminary) is professor of practical theology at Westminster Seminary California. He taught systematic theology as an adjunct at Westminster Theological Seminary and ministerial studies at Mid-America Reformed Seminary. He has also served as a faculty member for the Ministerial Training Institute of the OPC since 2002 and is presently a member of the OPC’s Committee on Christian Education. He is a member of the Evangelical Theological Society. He is the author of What Is Man?, What Is the Priesthood of Believers?, and With All Your Heart: Orienting Your Mind, Desires, and Will Toward Christ. He and his wife, Carol, have five children and one grandchild.