Dr. Chinebuah became the Member of Parliament for Nzema East (now Ellembelle) constituency after the 1979 elections. He was appointed Minister of Foreign Affairs in the PNP government by Dr. Hilla Limann in the Third Republic from 1979 until its overthrow in a coup d'état on December 31, 1981.[3] He became the running mate to Dr. Hilla Limann during the 1992 presidential election.
He died at the age of 78 on June 8, 2006.[2] He was married to Jane Chinebuah.[3] He had eight children.[2]