 .Onwenu gboye ninu International Relations and Communication lati ile eko giga ti Wellesley College, o si gba masters ni The New School for Social Reasearch ni New York.Ise Ni odun 1984, Onyeka se ere iwe itan A Squandering of Riches ti o soro nipa iwa ibaje ati nipa bii awon Niger Delta se n so fun awon ijoba pe ki won dekun ti won se ba ilu won je pelu idoti ti o n jade lara epo robi.. 
Ṣugbọn, igbimọ yi kuno lati ṣe aṣeyọri ninu gbigba ijọba fun ara wọn, bi o ti le jẹ wipe, iyanju won se iku pa ogagun Murtala Ramat Mohammed.Eko reipa ti o ko ninu ìdìtẹ̀ gba'joba ni ọdun 1966 dimka,  Then a Lieutenant with the Nigerian military Training College in Kaduna, was one of the many Officers of Northern Nigerian Origin including lt.. 