Buhari also approved the appointment of Prof. Charles Dokubo as the new helmsman.
Mr Femi Adesina, the Special Adviser to the President on Media and Publicity, announced the change of guard in Abuja on Tuesday.
Prof Dokubo is currently Director of Research and Studies at the Nigerian Institute of International Affairs. He holds a PhD in Strategic Studies from the University of Bradford, United Kingdom, and hails from Abonema, Akuku-Toru Local Government of Rivers State.
Meanwhile, the President has directed the National Security Adviser (NSA) to carry out a full investigation into the activities of the Amnesty Programme from 2015 to date.
According to Adesina, the investigation should particularly cover the allegations of “financial impropriety and other acts that are allegedly detrimental to the objectives of the Presidential Amnesty Programme.’’