Professor in Church History, University of Pretoria

Professor of Religion; Stephen S. Bowen Professor of Liberal Arts, Wabash College

Assistant Professor of Historical Theology, Concordia Theological Seminary

Babeș-Bolyai University, Faculty of History and Philosophy

Brock University

Lutheran Theological University Budapest

Professor of English Literature, Bemidji State University

Professor of History, University of Warsaw

Research fellow, University of Zurich

University of Geneva, Institut of Reformation History (IHR)