After graduation of the school education he made a compulsory service in the Soviet Army.

Viytyshyn was among these persons, who on 4 August 1987 made a declaration about exit from clandestinity of the Ukrainian Greek Catholic Church.

[1] From 1990 until 1997 he served as Dean of Tlumach Deanery and from 1997 until 2003 as an Econom of the Eparchy of Kolomyia-Chernivtsi.

Viytyshyn was elected and on July 15, 2003 was consecrated to the Episcopate as the Coadjutor Bishop of the Ukrainian Catholic Eparchy of Kolomyia-Chernivtsi.

The principal consecrator was Cardinal Lubomyr Husar, the Head of the Ukrainian Greek Catholic Church.