Valerian Maduka Okeke an haifeta 20 ga watan Oktoba 1953. Firist ce na Najeriya wacce ke aiki a matsayin Archbishop na Katolika Archdiocese na Onitsha, kuma Metropolitan na Onitsha Ecclesiastical Province. An haifeta a Umudioka, Jihar Anambra kuma firist Francis Arinze, wanda a lokacin shine Akbishop na Onitsha ya nada ta matsayin firist a ranar 11 ga Yuli 1981. Bayan nadin nata, ta yi aiki a matsayin limamin coci a Holy Trinity Cathedral, Onitsha, karkashin Emmanuel Otteh. Valerian Okeke daga baya ya yi aiki a matsayin firist na Ikklesiya na Uwargidan Bakwai Bakwai, Umuoji (1983- 1986). Ta yi aiki a matsayin Rector na makarantar hauza ta lardin, Bigard Memorial Seminary, Enugu, kafin Paparoma John Paul na II ya nada shi co-adjutor Archbishop of Onitsha, a ranar 28 ga Nuwamba 2001. An tsarkake Co-adjutor Archbishop a ranar 9 ga Fabrairu 2002, ta Archbishop Osvaldo Padilla. Tun daga lokacin da aka nada ta, Okeke ta yi aiki a kwamitoci daban -daban na Babban Taron Bishop na Katolika na Najeriya, kuma a matsayin shugaban sashin Harkokin Makiyaya, Sakatariyar Katolika ta Najeriya a 2017.