New bishop of nnewi diocese
You're referring to the Catholic Diocese of Nnewi, Nigeria!
According to recent news reports, the new Bishop of Nnewi Diocese is:
Most Rev. Prof. Jonas Benson Okoye
He was appointed as the new Bishop of Nnewi Diocese by Pope Francis on December 14, 2021. Bishop Okoye was previously the Rector of the Major Seminary of St. Joseph the Worker, Nnewi, and a Professor of Theology at the same seminary.
Bishop Okoye's appointment was announced by the Vatican on December 14, 2021, and he was consecrated as the new Bishop of Nnewi Diocese on January 29, 2022.
Please note that this information is subject to change, and I'll do my best to keep it updated.