The Very Rev. Dr. John J. Jillions has served as Chancellor of the Orthodox Church in America  since 2011. Prior to that, he was associate professor at the Sheptytsky Institute of Eastern Christian Studies at Saint Paul University in Ottawa, where he was a member of the Faculty of Theology since 2003. He taught courses in Orthodox Theology, 20th Century Orthodox Thought, New Testament, East-West Ecumenism, and Pastoral Theology. He also directed the D.Min. program there for a number of years.
Throughout his priestly and academic career he has taken an active interest in promoting interfaith and inter-Christian understanding, most recently serving as a vice-president of the Canadian Council of Churches. Father John was born in Montreal in 1955 and is a life-long member of the Orthodox Church. He has a B.A. in Economics from McGill University, and theological degrees from St. Vladimir's Seminary (M.Div. '80, D.Min. '05), and the University of Thessaloniki (Ph.D., New Testament, '02).
Ordained a deacon in 1981 and priest in 1984, he served parishes in New York, New Jersey, Australia (Brisbane), Greece (Thessaloniki), the UK (Cambridge), and Canada (Ottawa and Brockville, ON). He is currently rector of St. Sergius Chapel at the OCA Chancery in Oyster Bay, New York.
Father John was founding director of the Institute for Orthodox Christian Studies in Cambridge and served as its first Principal (1997–2002). Early in his career, he served as administrator of Ss. Cosmas and Damian Adult Home and as a bank officer. In 1990–92 he served a brief stint as a chaplain (Captain) in the U.S. Air Force Reserve. He is married to Denise (Melligon) and has three sons, Andrew (and wife Alice), Alexander (and wife Meaghan), and Anthony.