He is a Nigerian actor and film director. While studying Theatre Art at the University of Nigeria, he made his debut on-screen appearance in a 2001 film titled Border Line. Diobi is a native of Nawfia, a town in Njikoka, Enugu State, Nigeria; and has starred in over 150 films.
He is the last child of a family of 5 – 2 girls and 3 boys. As the last child of the family Nonso did not see himself as an “over-pampered” last child, as a matter of fact, he started his own business at a tender age when he sold clothes to his school mates in his high school. Unlike many other actors and actresses that never got supported by their parents in the acting industry, Nonso had the backing of his parents. Nonso began his acting career in his parent’s local church where he partook in staged plays. Nonso decided to take his acting skills from stage plays into Nollywood in 2001.
He has acted in movies such as “Caught in the act’, and “Palace Slave” are 2 of his most recent Hollywood. Nonso has received several awards, and one of the most recent is the award for the best supporting actor 2008 and 2009, Movie Academy Awards.