[9] As a young child, Aranonu wanted to be a medical doctor, he has been working towards as a science student and also filled medicine in his Jamb form along with his friend.

One afternoon, there was a change of plan when they both met with the school Guidance and Counselor approved of his friend's medical pursuit and disapproved of his.

He was admitted to the University of Nigeria Enugu State to study finance in 1980 and he graduated top of his class in the year 1984.

[14] He was one of the beneficiary of the USAID- sponsored Best and Brightest African Bankers training program in United States (Spring 2000).

[14] After his first degree, Aranonu proceeded to Benin City, Edo State for his National Youth Service NYSC program.

[citation needed][18] Aranonu has over 30 years working in the field of banking and finance at various financial institutions.