Cardinal Mykola Bychok, C.SS.R., Eparchal Bishop of Saints Peter and Paul of Melbourne of the Ukrainians (Australia) was born on 13 February 1980 in Ternopil in Ukraine. He entered the Redemptorist Order in July 1997, and carried out his formation in Ukraine and Poland, receiving a licentiate in Pastoral Theology. On 17 August 2003 he gave his perpetual vows, and on 3 May 2005 he was ordained a priest in Lviv. He has held the following offices: missionary in the Church of Mother of Perpetual Help in Prokopyevsk, Russia; superior of the Monastery of Saint Joseph and parish priest of Mother of Perpetual Help in Ivano-Frankivsk, Ukraine; bursar of the Redemptorist province of Lviv and, since 2015, vicar of the parish of Saint John the Baptist in Newark, New Jersey, archeparchy of Philadelphia of the Ukrainians. On 15 January he was appointed bishop of the eparchy of Saints Peter and Paul of Melbourne of the Ukrainians. On 7 June 2020 he was consecrated Bishop by His Beatitude Major Archbishop Sviatoslav Shevchuk in Saint George’s Cathedral, Lviv. On 12 July 2021, Feast of Saints Peter and Paul in the Julian calendar, he was enthroned as third bishop of the eparchy of Melbourne by Archbishop Peter A. Comensoli, metropolitan of Melbourne, in the Cathedral of Saints Peter and Paul, Melbourne.

Created and proclaimed Cardinal by Pope Francis in the consistory of 7 December 2024 of the Title of S. Sofia a Via Boccea.