Brown University

Associate Professor, Church History

Professor of Early Christian Literature

Professor emeritus of Old Testament, North-West University, South Africa

Associate Professor of Old Testament, Leiden University

Professor of Linguistics, Sapienza University of Rome

Ruhr-Universität Bochum

Professor of Early Christianity, Abilene Christian University

Professor, Benedictine College, University of St. Thomas

Associate Professor of Theology, Marquette University