Mike Adenuga
Mike Adenuga is the second richest person in Nigeria and fifth in Africa. He made his worth through telecom and oil production. His net worth, per Forbes, is $6.3 billion.
He operates the third largest telecom network in Nigerian known as Globacom, which has an estimated 55 million subscribers.
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In addition, Adenuga is to oil exploration. His firm, Conoil Producing, operates 6 oil blocks in the Niger Delta. He made his first million at age 26 selling lace and distributing soft drinks.
