In 1979, at the age of 37 he was appointed as the Political Adviser and strategist to then president, Shehu Shagari. In the third republic he belonged to the Peoples Front which joined the Social Democratic Party under the leadership of Shehu Musa Yar'Adua together with politicians such as Atiku Abubakar, Babagana Kingibe, Abdullahi Aliyu Sumaila, Sunday Afolabi and Rabiu Kwankwaso.He was a member of the Peoples Democratic Movement (PDM) during the Sani Abacha transition program. At the dawn of the fourth republic, He was elected into the National Assembly (Anambra North) and was favorite to be the Senate President at the commencement of the democratic government in the Fourth Republic. However, due to Chuba's disharmony with the executive arm, Evan Enwerem was voted in by the senate with the support of the executive arm. However, he inevitably became President of the Nigerian Senate, after the impeachment of Evan Enwerem due to corrupt practices. On Friday 2 June 2000 the Police lay siege to his official residence in an operation to seize the Senate Mace from him but failed. Later on in 2000, he was falsely charged for corruption and impeached, officially demoting him from Senate President to a senator.