4. Sipho Nkosi
Net Worth: R1.7 billion
Sipho Nkosi is an experienced South African to partner within the country’s business line. He is largely seen as a prominent figure in the mining sector with over 20 years of service. Over and above that, he is a learned personality who graduated from US-based Massachusetts University with an MBA degree. At the moment, Sipho Nkosi serves as the president of a mining company –Chamber of Mines South Africa –with the estimated net worth of R1.7 billion.