[1] He describes having challenging teen years, as he was once badly injured, later expelled from secondary school before his GCSEs, and then his father passed away.

[2] At the age of nine, Obiora became the youngest actor to have appeared in the children's television series Grange Hill; he played Max Abassi on the programme for five years.

Just before his 18th birthday, Obiora landed a role playing the part of Gunner Jackson Clarke, a soldier in ITV's eight-part series Bombshell.

Shortly after filming that series, he started a seven-month run as one of the leads in the award-winning play Elmina's Kitchen, at the Garrick Theatre.

Obiora gained attention as the openly gay receptionist Ben Trueman, in the main cast of the drama series Hotel Babylon (2006–2009).

[5] He was part of international ensemble that formed the cast of the 2015 epic eleven-part crime thriller, Fortitude, filmed in Iceland.

Obiora has worked as a voice artist for a number of years, including: advertising campaigns for Adidas, Jacamo and others; narration on the London to Lagos: Lifestyles of The Super Rich television documentary; and the voice of Chike in the American cartoon series Robozuna and Valentin in Kitti Katz.