Bishop of Catholic Diocese of Enugu
Bishop Onaga was born in 1958 to Vincent and Victoria Onaga in Agbudu in Udi, Enugu State. He received a Bachelor of Divinity degree from Bigard Seminary, Enugu in 1987. He was ordained a priest on 8 August 1987. During his priestly ministry he was the pastor of St. Joseph, Emene, and Youth Chaplain for the Diocese of Enugu. From 1991-2000, he studied for a Doctorate in Systematic Theology at the University of Bonn, Germany.
Fr. Callistus Onaga was appointed to the episcopate by Pope Benedict XVI on 9 February 2009. Bishop Onaga has since visited the United States, including Sacramento in 2010 where he was the guest speaker for the Igbo Catholic Community USA (ICCUSA) and San Antonio in 2018 where he addressed the priests of Enugu Diocese in the United States (EPUSA).