Cyril Hovorun began his studies in his native country of Ukraine, where he read theoretical physics before studying theology at the theological seminary in Kiev. He continued his theological studies at the National and Kapodistrian University of Athens and at Durham University in England, where he submitted his undergraduate thesis under the supervision of Professor Andrew Louth. The subject of the thesis was related to post-Chalcedonian christology.
Cyril Hovorun has taught theology at several seminaries and institutions, among them the theological academies in Moscow and Minsk, the National University of Kyiv-Mohyla Academy in Kyiv, and Loyola Marymount University in Los Angeles, to name a few. He has been a research fellow at Yale and Columbia universities in the USA, a visiting professor at the University of Münster and at the Chester Ronning Centre for the Study of Religion and Public Life at the University of Alberta in Canada. He has been involved in teaching at more than fifty institutions around the world, among them the University of Heidelberg (Germany), Vrije Universiteit (Amsterdam), the University of Oxford, the Chinese University of Hong Kong, St Joseph University (Macau), Taiwan Theological College and Seminary, Peking University (China), Princeton Theological Seminary, the University of Manitoba (Canada), Harvard University, Yale University, the University of Munich, the University of Iceland, Columbia University, the University of Toronto, the Myanmar Institute of Theology, the University of Eastern Finland, LCC International University (Lithuania), the Institute of Philosophy and Social Theory (Serbia), Dartmouth College (USA), among others.
He is a member of several academic societies, including the American Academy of Religion, the European Academy of Religion, the Association for the Sociology of Religion, the International Association of Patristic Studies, the Association for Slavic, East European, and Eurasian Studies, the North American Patristics Society, the International Academic Forum (IAFOR) in Japan, the Ukrainian Patristic Society (since 2019 as president), the Research Network for New Directions in the Humanities, and the International Society for Neoplatonic Studies.