The 1.85 meter tall Oluokun won the All-Africa Games in 2003 in the Nigerian capital Abuja super heavyweight with a points victory in the final ( 13-8 ) over the Egyptian Mohamed Aly. In 2004, he took for Nigeria at the Olympic Games in Athens, but lost in the preliminary round 13-29 despite three rainfall against the Italian southpaw and bronze medalist Roberto Cammarelle.
2005 moved Gbenga Oluokun in the professional camp and was obliged by the Hamburg boxing stable Spotlight Boxing. He won his first 16 fights against build up opponents. On April 25, 2009, he lost to the German boxer Manuel Charr in an internal duel Spotlight Boxpromotion by Ko in the seventh round. Caused a surprise Oluokun than him in Halle (Westfalen ) scored a points victory over eight rounds against former WBO heavyweight champion Lamon Brewster on August 29, 2009. In October 2009, a promotional contract with Sauerland Event GmbH was followed in the course of which he pushed most of the heavyweights of the promoter Sauerland René Dettweiler, the Bulgarian Kubrat Pulew, Robert Helenius and Oleg Platov and could not fight for victory. With a TKO victory over Konstantin Airich in 2010, Oluokun reported back to once again to have to plug in the following battles defeats against well-known opponents. The point defeats to Erkan Teper and Edmund Gerber, he were both clearly dominated over controversial. Gbenga lives and trains in Leipzig and is staffed by Kai Schulz.