Editor-in-chief and a founding editor of the Lagos-based Independent Communication Network Limited (IGNL), which produces The News, Tempo and PM News. The publications are known for "guerrilla journalism" continuing to publish despite arrests, banning and the seizure of their equipment. A strong critic of the late dictator Sani Abacha, Onanuga fled Nigeria in 1997 after hiding out for months from state security forces. He has since returned home to resume work at IGNL.

1998