Born May 5, 1970 in Striy, Lviv region, he began his religious education in 1991-1992 at the Don Bosco theological seminary in Buenos Aires.
He continued his education from 1992 to 1994 in the Lviv Theological Seminary.
Ordained a deacon on May 21, 1994 (by Bishop Fylymon Kurchaba), he was ordained a priest on June 26, 1994 (by His Beatitude Myroslav Cardinal Liubachivsky).
From 1994 to 1999 he studied at the papal university of St. Thomas Aquinas in Rome, where he received his doctoral degree summa cum laude in theological anthropology and the moral roots of theology in the Byzantine theological tradition.
From 1999 to 2000 he served as prefect of the Lviv Holy Spirit Theological Seminary. From 2000 to 2007 he was vice rector of the seminary. In 2001 he became vice-dean of the theology department at the Lviv Theological Academy (now the Ukrainian Catholic University).
In 2002 he was named head of the secretariat and personal secretary to His Beatitude Liubomyr Cardinal Husar, head of the Patriarchal Curia in Lviv.
In 2007 he was named rector of the Holy Spirit Seminary.
On January 14, 2007, His Holiness Pope Benedict XVI blessed the decision of the Synod of Bishops of the Ukrainian Greek Catholic Church to name Father Sviatoslav Shevchuk as auxiliary bishop of the Protection of the Blessed Mother eparchy in Buenos Aires, Argentina. On April 10, 2010 he was named Apostolic Administrator Eparchy of Argentina.
On March 23, 2011 at an election held by the Synod of bishops of the Ukrainian Greek Catholic Church he was named Major Archbishop of the church. On March 24, the election was blessed by Pope Benedict XVI, He was enthroned on March 27, 2011 in Kyiv in the Patriarchal Cathedral of The Resurrection.
