Onyeka is from Umuoji, Idemili North local government area in Anambra State, located in the southeastern region of Nigeria.
In 2012, he enrolled at Colorado Film School to study cinematography.
He highlighted his quest to get optimal knowledge in film-making as his reason for taking a break to return to school.
[1] Prior to film-making, Onyeka was an okada rider (commercial motorcyclist).
In 2010, during an interview in New York, he stated that having worked with most big names in the industry, Genevieve Nnaji is arguably the "only star in Nollywood", he cited her professionalism as a reason for this.