Liberty University(M.A., M.Div.)
Nashotah House Theological Seminary(S.T.M.)
University of Wales-Trinity St. David(Ph.D.)
University of Pretoria(Ph.D.)
Liberty University 교회사·교차문화학 교수 역임
Evangelical Missiological Society 부회장, 학회지 편집장
Columbia International University 교차문화학 교수, 학장

저서
Mission as Hospitality (Cascade Books, 2021)
Missionary Monks (Cascade Books, 2016)
Mission in the Early Church (Cascade Books, 2014)