Subsequent to the establishment of the Catholic Diocese of Aguleri and appointment of Most Rev. Denis Chidi Isizor as its first Bishop by the Holy See, the Canonical Erection of Aguleri Diocese and installation of Bishop Isizor has been scheduled to hold on Friday, March 7, 2023 at St. Joseph’s Pro-Cathedral, Aguleri in Anambra State. The Diocese of Aguleri was carved from the Archdiocese of Onitsha, making it suffragan of the Metropolitan See of Onitsha. Until his appointment as the new Local Ordinary of Aguleri Diocese, Bishop Isizoh has been serving as Auxiliary Bishop of Onitsha and Titular Bishop of Legia. Born in 1956 in Ogbunike in the Archdiocese of Onitsha, Bishop Isizoh was enrolled for his Philosophy studies at Bigard Seminary (philosophy campus) Ikot-Ekpene from 1976 to 1980, and for his Theology studies at Bigard Memorial Seminary in Enugu from 1982 to 1985.
He was ordained a priest on September 28, 1985 for the Archdiocese of Onitsha. He was consecrated a Bishop on May 1, 2015. As a priest, the bishop served in different capacities, including Parish Vicar, Chaplain for Schools and formator at All Hallows Seminary, Onitsha, and official Pontifical Council for interreligious Dialogue, Vatican City (1995 – 2015), among other Priestly responsibilities. Bishop Isizoh had his Licentiate at the Pontifical Biblical Institute in Rome between 1989 and 1993.