4) Koos Bekker – Net Worth: $2.3 Billion

The South African media tycoon is the man behind the success of the Cape Town-based publishing company Naspers. He has run the company since 1997. During his tenure the market capitalization of the company rose from around $600 million to $45 billion. He was the founding director of African mobile telecom company MTN.

3) Christoffel Wiese – Net Worth: $6.3 Billion

This 73-year-old self-made billionaire sells groceries and furniture through stores owned by listed Shoprite Holdings; and clothing through Pepkor, a private company that owns seven different discount fashion brands. Shoprite is the largest food retailer in Africa. It has stores in 17 African nations. His other holdings include a stake in Brait, a listed private equity firm.