Farouk Yahaya, a major general, takes over from late Lieutenant General Ibrahim Attahiru, who died in a military plane crash on May 21.
Major General Farouk Yahaya has been appointed as the new chief of army staff by President Muhammad Buhari.
This was stated by Onyema Nwachukwu, the acting Director of Defence Information.
Major General Yahaya succeeds Ibrahim Attahiru, a lieutenant general who died in an air crash last week along with ten other army officers and men.
Prior to his appointment, the new army chief served as the Theatre Commander of Operation Hadin Kai, a counter-insurgency operation in the north-east.