He was ordained a priest on June 13, 1982, for the Ukrainian Catholic Archeparchy of Winnipeg at Saints Vladimir and Olga Cathedral, Winnipeg.
Assignments after priestly ordination included: assistant priest, Blessed Virgin Mary Parish, Winnipeg, 1984-1986; parish priest, Ukrainian Catholic Church of the Assumption, Portage la Prairie, Canada, 1986-1987; parish priest, St. Anne Ukrainian Catholic Church, Winnipeg, 1987-1995; chaplain, St. Josaphat Council, Knights of Columbus, 1986-1989; chaplain, St Anne Council, Knights of Columbus, 1987-1995; chaplain, National Executive, Ukrainian Catholic Youth of Canada, 1989-1992; vocations director, Ukrainian Catholic Archeparchy of Winnipeg, 1985-2000; state chaplain, Knights of Columbus, Manitoba State Council, 1989-1992; judge, Archeparchial Marriage Tribunal, 1984-1993; vice-chancellor, Ukrainian Catholic Archeparchy of Winnipeg, 1985-1994; chancellor, Ukrainian Catholic Archeparchy of Winnipeg, 1994-1996; econom, Ukrainian Catholic Archeparchy of Winnipeg, 1994-1998.
On March 29, 1996 he was appointed Auxiliary Bishop for the Ukrainian Catholic Archeparchy of Winnipeg and was ordained to the episcopate on June 13, 1996. He then also served as: chairman, Asset Protection Group Insurance Corporation for Western and Northern Canada Dioceses/Eparchies, 1998-2000; chaplain, Ukrainian Catholic Women’s League of Canada, 1998-2000; and editor, Progress Ukrainian Catholic News, 1996-2000.
On November 29, 2000 he was appointed Metropolitan-Archbishop of the Ukrainian Catholic Archeparchy of Philadelphia and was installed on February 29, 2001.
At the U.S. Conference of Catholic Bishops, he served as: member of the Committee for Aid to Home Missions, 2010-present; member of the Ad Hoc Committee on Aid to the Church in Central and Eastern Europe, 2001-present; member of the Committee on Relations between Eastern and Latin Catholic Churches, November 2003-2010; member of Task Force on Content and Flow of General Meeting, June 2003; and member of the Ad Hoc Committee on Sexual Abuse, 2002-2009.