Nigerian Chief of Defence Staff From 1980-2015.

The Duty and Responsibility of Chief of Defence Staff is to Formulate and execute policies towards attainment of National Security and Operational Competence of the armed forces Like the Navy, Army and Airforce.

The Chiefs of Defence Staffs are as Follow:
*. Lt. General Ipoola Alani Akinrinade(1980–1981)
*. Lt. General Gibson Jalo(1981–1983)
*. General Domkat Bali(1984–1990)
*. General Sani Abacha(1990–1993)
*. Lt. General Oladipo Diya(1993-1997)
*. General Abdulsalami Abubakar(1997-1998)
*. Air Marshal Al-Amin Daggash(1998–1999)
*. Admiral Ibrahim Ogohi(1999–2003)
*. General Alexander Ogomudia(June 2003 – June 2006)
*. General Martin Luther Agwai(June 2006 – May 25, 2007)
*. General Owoye Andrew Azazi(May 25, 2007 – August 20, 2008)
*. Air Chief Marshal Paul Dike(August 20, 2008 – September 8, 2010)
*. Air Chief Marshal Oluseyi Petinrin(September 8, 2010 – October 5, 2012)
*. Admiral Ola Ibrahim(October 5, 2012 – January 16, 2014)
*. Air Chief Marshal Alex Sabundu Badeh(January 16, 2014 – July 13, 2015)
*. Major General Abayomi Gabriel Olonisakin(July 13, 2015 - present)

References: Wikipedia