? 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).