The Rt. Rev. George Sumner, Ph.D. is the Bishop of the Episcopal Diocese of Dallas. Ordained in Tanzania in 1981, he served in cross-cultural ministry in Navajoland, led parishes in New England, and from 1999-2015 was Principal of Wycliffe College, University of Toronto. He is the author or co-author of several books, including The First and The Last: The Claim of Jesus and The Claims of Other Religions (Eerdmans, 2004) and a commentary on Esther and Daniel (Brazos, 2013).