Director, Interdepartmental Program in Greek and Roman History
Adjunct Professor, Department of Classical Studies and Department of Near Eastern Studies
Leadership and Community in Late Antique Gaul (University of California Press, 1985)
Saints and their Miracles in Late Antique Gaul (Princeton University Press,1993)
Kingdom of Snow: Roman Rule and Greek Culture in Cappadocia (University of Pennsylvania Press, 2002).
Families and Friends in Late Roman Cappadocia (University of Pennsylvania Press, 2003).
Becoming Christian: The Conversion of Roman Cappadocia (University of Pennsylvania Press, 2003).
The Roman Revolution of Constantine (Cambridge U.P. 2007)
Rome and Constantinople: Rewriting Roman History in Late Antiquity (Baylor University Press, 2010).