He graduated Oil and Gas Institute in Ivano-Frankivsk (1973–1978) with a diploma in mechanical engineering.

But before his solemn profession he was ordained as priest on 25 October 1992, while studied in the Theological Academy in Ivano-Frankivsk.

Then he continued his studies in the Catholic University of Lublin in Poland with magister degree in Ecclesiology.

Dmytro Hryhorak was appointed by the Pope Benedict XVI as an Apostolic Administrator "ad nutum Sanctae Sedis" and 4 years later, in July 2011, he was elected the second Eparchial Bishop of the Eparchy of Buchach.

On 28 September 2011 he was consecrated as bishop by Major Archbishop Sviatoslav Shevchuk and other hierarchs of the Ukrainian Greek Catholic Church.