Bishop Semenyshyn was born in a family with three children as a middle child in the village (until 2018 it was named Hlyboka) of
Ivano-Frankivsk Oblast. After graduation from the school education in Hlyboke and
Bohorodchany, he joined the Major Theological Seminary in Ivano-Frankivsk, where completed his philosophical and theological studies from 1999 until 2005. He was ordained as a deacon on 25 November 2004 and as a priest on 29 May 2005. Both ordinations were made by Bishop
Sofron Mudry for then the
Eparchy of Ivano-Frankivsk. ==Pastoral career==