Born to the family of late Chief Ukavbe Ibori and Mrs. Comfort Oji Ibori of Otefe in Oghara clan, Ethiope West Local Government Area of Delta State, he attended Baptist High School, Oghareki, now Oghareki Grammar School, before proceeding to the University of Benin where he obtained a Bachelor of Science degree in Economics and Statistics. Ibori moved to London, England in the 1980s where he married his wife, Theresa. He worked as a cashier at Wickes DIY store in Ruislip, Middlesex. In 1990, the couple were arrested for theft from the store, and fined £300. In 1991, he was convicted of handling a stolen credit card, and fined £100.