O lo si ile eko giga ti Hendon College of Technology nibe ni o ti gba HND ninu Business Studies ni odun 1969.. 
Olusẹ́gun Agbaje tí wọ́n bí ní ọdún 1964 jẹ́ alákòóso àti olùdarí ilé ìfowó-pamọ́ Guaranty Trust Bank ní orílẹ̀-èdè Nàìjíríà.Ó tún jẹ́ adarí fún ìgbìmọ̀ Mastercard Advisory Board ti arin gbùngbùn ila oòrùn ilẹ̀ Aduse.Àwọn Ìtọ́kasí.. 