Career
Petro Herkulan Malchuk received on June 7, 1992, ordained priest by January Olszanski Ministry of Information and Communication, Bishop of Kamyanets-Podilskyi, and entered the Congregation in the Franciscan. In 1993 he passed the profession. Pope Benedict XVI in 2008 appointed him titular bishop of media, and ordered him to auxiliary bishop in the Diocese of Southeast Ukrainian Odessa-Simferopol.
The episcopal ordination gave on May 3, 2008, being Cardinal Marian Jaworski, Archbishop of Lviv and Archbishop Ivan Jurkovic, Apostolic Nuncio in Ukraine and Bronislaw Bernacki, Bishop of Odessa-Simferopol were co-consecrators.
On June 15, 2011 he was appointed by Pope Benedict XVI with a personal title of Archbishop ("personal capacity") to the pastors of the Diocese of Kyiv-Zhytomyr. The inauguration of the Saint Alexander"s Cathedral (Kiev) was the first since 1680 in the Ukrainian capital of Kiev itself.
Malchuk is also the first pastor of the diocese, who holds the title of an archbishop.