Prince Uche Secondus was on Sunday morning declared as the national chairman of the Peoples Democratic Party.
He defeated two other contestants at the national convention of the party held in Abuja on Saturday.
The result of the keenly contested election was announced in the early hours of Sunday.
In the election, Secondus scored 2000 votes while Prof. Tunde Adeniran came distance second with 230 votes.
Dr. Raymond Dokpesi came third with 66 votes followed by Prof. Taoheed Adedoja who did not score any vote.
The number of invalid votes was put at 55.