In 1975 he entered the monastery of Grottaferrata of Ukrainian Studite Monks, where he made his final vows 19 December 1976. He was ordained a priest 3 July 1977. He worked in the parish of St. Nicholas in Passaic, New Jersey and then was prefect of the students of the College of St. Sophia in Rome.
After his arrival in Ukraine in 1994, he was the spiritual director of the Major Seminary in Lviv. At the same time he taught at the Lviv Theological Academy. He served as associate in the local apostolic nunciature in Kyiv.
On 11 January 2002 and was appointed titular bishop of Bareta and auxiliary bishop of Lviv of the Ukrainians. Cardinal Lubomyr Husar consecrated him on 27 February. On 14 January 2003 he was appointed apostolic visitor for the Greek–Ukrainian Catholics in Italy and as the major archbishop's procurator in Rome. On 4 March 2004 he also became apostolic visitor in Spain and Ireland.
On 25 March 2006 he returned to Ukraine, in charge of Consecrated Life, maintaining the commitment of apostolic visitor in Italy, Spain and Ireland. On 7 January 2009 he was replaced as apostolic visitor in Italy and Spain. On 2 June 2009 he was appointed apostolic administrator "sede vacante" of the Apostolic Exarchate for Ukrainian Catholics in Britain. He took part in the election of the new major archbishop in 2011 after Cardinal Husar's retirement.
He was formally named apostolic exarch by Pope Benedict XVI on 14 June 2011,[1] and installed on August 2, 2011. When the Apostolic Exarchate of Great Britain became the Eparchy of the Holy Family of London, he was named its first bishop.
