･ Lon Morris College (A.A.)
･ University of North Texas (B.A.)
･ Oxford University (B.A., M.A.)
･ Southern Methodist University (Ph.D.)
･ Charles Wesley Society 회장
･ AAR’s Wesleyan Studies Group 부회장
･ Perkins School of eology 교회사 교수
저서
･ Methodist Doctrine: The Essentials (Abingdon Press, 1999)
･ Christian Confessions: A Historical Introduction (Westminster John Knox Press, 1996).
･ John Wesley and Christian Antiquity: Religious Vision and Cultural Change (Kingswood Books, 1991).
