Senior Lecturer in Theology, University of St Andrews

Professor of Early Christianity, Houston Theological Seminary

Professor of Christian Theology, University of Cambridge

Senior Lecturer of Systematic Theology, Stellenbosch University

Associate Professor of Undergraduate Theology, Seton Hall University

Assistant Professor of Systematic Theology, Chongshin University, South Korea

Professor of Theology, Holy Trinity College

Grand Canyon University

Professor of Systematic Theology, Presbyterian University & Theological Seminary

KU Leuven & Ateneo de Manila University