Dimiter Angelov is Dumbarton Oaks Professor of Byzantine History at Harvard University. His research and teaching focus on the intellectual, political, and institutional history of the Byzantine Empire. His diverse scholarly interests include empire and imperialism, the history of political thought and rhetoric, biography, geographical thought and imagination, and the impact of the Fourth Crusade on the Byzantine world. He supervises students interested in any aspect of Byzantine and medieval Balkan and eastern Mediterranean history. His many publications include Imperial Ideology and Political Thought in Byzantium, 1204-1330 (Cambridge, 2007) and Church and Society in Late Byzantium (Kalamazoo, 2009).