Demetrios E. Tonias is currently the pastor of Taxiarchae Greek Orthodox Church in Watertown, Massachusetts. He completed his PhD in 2011 at Boston College under the supervision of Ruth Langer. Prior to his doctoral studies he earned an MDiv and ThM from Holy Cross Greek Orthodox School of Theology. Fr. Tonias is the co-author of two interlinear translations of the Matins and Vespers services, both published by Holy Cross Greek Orthodox Press.
The first comprehensive examination of John Chrysostom's view of the patriarch Abraham. Tonias reveals the ways in which Chrysostom used Abraham as a model of philosophical and Christian virtue, familial devotion, philanthropy, and obedient faith.