He is also the Founder and the Director of the Administrative Council of the Institute of Ecumenical Studies at the Ukrainian Catholic University since 2004. He has published many books on the history of the Orthodox thought and Church, including: "What is orthodoxy?" (Angelico Press, 2018)

He is the author of "Die Entstehung des Unionsgedankens: Die lateinische Theologie des Hochmittelalters in der Auseinandersetzung mit dem Ritus der Ostkirche" (Berlin 2002) and the editor of "Metropolitan Andrey Sheptytsky and the Greco-Catholics in Russia" (Lviv 2004). He has also contributed numerous book chapters to volumes on medieval and modern church history and theology, and articles to such journals as "Una Sancta", "Communicantes", "Ostkirchliche Studien", "Münchner Theologische Zeitschrift", "Bohoslovja", "Kovcheh," etc. Before coming to Notre Dame in 2010, he served as Dean of Humanities and the founding Chair of the Department of Classical, Byzantine, and Medieval Studies at the Ukrainian Catholic University in Lviv, Ukraine.

since 2010 and Ass. Prof. at the Dep. of Theology at the National Research Nuclear University MEPhI since 2014. Her research interests: churches in the cold war; everyday history of believers in the Soviet union; the history of women in the churches; deaconesses in orthodox and catholic churches.

He is the author of Dumitru Staniloae: An Ecumenical Ecclesiology (Continuum, 2011, 2013). He served as President of the Orthodox Theological Society of America and is a member of the North American Orthodox-Catholic Theological Consultation. He is a co-convener of the Christian-Jewish Dialogue in Pittsburgh and is involved in local ecumenical dialogues.

and senior lecturer at Sankt Ignatios Theological Academy. A graduate of the Theological Academy in Kyiv and National University in Athens, he accomplished his doctoral studies at Durham University under the supervision of Fr Andrew Louth. Then he was a Chairman of the Department for External Church Relations of the Ukrainian Orthodox Church, First Deputy Chairman of the Educational Committee of the Russian Orthodox Church, and later a Research Fellow at Yale and Columbia Universities. He has published several books in different languages: Political Orthodoxies: The Unorthodoxies of the Church Coerced (Minneapolis: Fortress, 2018); Ukrainian Public Theology (Kyiv: Dukh і Litera, 2017, in Ukrainian), Scaffolds of the Church: Towards Poststructural Ecclesiology (Eugene, OR: Cascade, 2017; Ukrainian translation published in 2018); Wonders of the Panorthodox Council, (Moscow: Christian Book Club, 2016, in Russian); Meta-Ecclesiology, Chronicles on Church Awareness, (New York: Palgrave Macmillan, 2015; Ukrainian translation published in 2017); From Antioch to Xi’an: an Evolution of ‘Nestorianism’ (Hong Kong: Chinese Orthodox Press, 2014, in Chinese); Will, Action and Freedom. Christological Controversies in the Seventh Century (Leiden - Boston: Brill, 2008).

and member of the Executive Committee of the European Academy of Religion (Bologna, Italy). He has published widely in the areas of the eschatological dimension of Christianity, the dialogue between Orthodox Christianity and modernity, theology and modern literature, religion and multiculturalism, religious nationalism and fundamentalism, issues of renewal and reformation in Eastern Orthodoxy, and post-modern hermeneutics of Patristics.

and the author of The Papacy and the Orthodox: Sources and History of a Debate and The Filioque: History of a Doctrinal Controversy.

Senior Lecturer at the Theology Faculty of Ukrainian Catholic University in Lviv. He also lectures theology at Kyiv Theological Seminary in Kniazhychi and Institute of St Thomas Aquinas in Kyiv. Pavlo studied Philosophy and Theology in Rome, Athens and St Petersburg, and holds a Doctorate from the University of Oxford. His main interests are in ecumenism, modern Orthodox thought, interreligious dialogue and political theology. He is a member of Ukrainian Greek Catholic Church.

Of the latest publications: Entre Oriente y Occidente. Sobre la Iglesia de los rumanos de Transilvania, Madrid, 20014; Die Union der Rumänen Siebenbürgens mit der Kirche von Rom, Bucureşti, 2010, 2015; The Romanian Uniate Church History trough his synodal acts (1782-1900): volume of documents, Budapest, 2017.

Ph.D. in Ukrainian History from the Lviv State University; internships at Canadian Institute of Ukrainian Studies (Edmonton, Toronto), Metropolitan Andrey Sheptytsky Institute of Eastern Christian Studies (Ottawa), Catholic University of Eichstaett (Germany), Vienna University, Franciscan University of Steubenville (Ohio, USA). Employed at UCU since 1994. Author and editor of about 120 publications on church history and interconfessional relations.