Question: who is the chief of defence staff of nigeria
Answer: Nigerian Air Force 13 Petinrin , Oluseyi Air Chief Marshal Oluseyi Petinrin ( born 1955 ) 8 September 2010 5 October 2012 7002758000000000000 ♠ 2 years , 27 days Nigerian Air Force 14 Ibrahim , Ola Admiral Ola Ibrahim ( born 1955 ) 5 October 2012 16 January 2014 7002468000000000000 ♠ 1 year , 103 days Nigerian Navy 15 Badeh , Alex Sabundu Air Chief Marshal Alex Sabundu Badeh ( born 1957 ) 16 January 2014 13 July 2015 7002543000000000000 ♠ 1 year , 178 days Nigerian Air Force 16 Olonisakin , Abayomi Gabriel General Abayomi Gabriel Olonisakin ( born 1961 ) 13 July 2015 Incumbent 7002961000000000000 ♠ 2 years , 230 days Nigerian Army