 Attahiru Jega's five-year term came to an end on June 30, 2015, and though he was qualified for re-appointment, the chances of such became remote given the allegations of bias against him by campaign officials of President Goodluck.President Mohammadu Buhari appointed Professor Mahmood Yakubu as INEC Chairman, Professor Yakubu took over from Amina Bala-Zakari, who was the acting chairman after Jega left.The INEC has encountered several controversies in the run-up to elections in the country, most notably the April 2007 general elections, including criticism about its preparedness from Sada Abubakar, Sultan of Sokoto
and a dispute over its "disqualification" of Vice president Atiku Abubakar's candidacy.