Nigeria, Feb. 16 -- In a BBC News Africa interview in 2018, Obinwanne Okeke, said his mother's struggles and his promise to make her proud motivated his exploits in business.

"My mum was a teacher, I could see her daily struggles. I had promised myself to make her proud someday," he told the interviewer.

In the 43-minutes interview, Mr Okeke described how he started and succeeded in businesses including IT, real estates, oil and gas and renewable energy.

He said he started his first business at 16, a year after he lost his dad, a politician.

"I already had my business at 16 with I.T, creating websites for people. While I was applying for scholarships, I was making money on the other side," he said.

A year after the interview, Mr Okek...