Aaron Johnson (Ph.D. in Classics, University of Colorado, Boulder) specializes in Greek literature of the later Roman Empire, particularly in the areas of ethnic and religious identities and of Hellenism. He has held fellowships at Dumbarton Oaks Center for Byzantine Studies (Harvard University) and the Society of Fellows at the University of Chicago. His publications include a book entitled Ethnicity and Argument in Eusebius? Praeparatio Evangelica (Oxford, 2006), as well as a number of articles in Greek, Roman and Byzantine Studies, American Journal of Philology, Harvard Theological Review, and other journals. His most recent book on the cultural affiliations of the Platonic philosopher Porphyry is forthcoming with Cambridge University Press.? He is also preparing an introductory book on Eusebius of Caesarea. Aside from reading Greek, Dr. Johnson enjoys skateboarding, playing piano, and hiking.