Dr. Kenworthy specializes in the history and thought of Eastern Orthodox Christianity, particularly in modern Russia and Ukraine. His first book, The Heart of Russia: Trinity-Sergius, Monasticism, and Society After 1825 (Oxford University Press, 2010), won the Frank S. and Elizabeth D. Brewer Prize of the American Society of Church History. He has also co-authored an introductory text, Understanding World Christianity: Russia (Fortress Press, 2021).