Dennis Makori — Kenya
At 34 years old, Makori’s company, Onfon Media, has become one of the most successful service providers in Kenya. The company he founded in 2007 now has annual revenues of $3 million.
Alexander Amosu — Nigeria
Amosu is the founder of Amosu Couture, a luxury accessories company. The 38-year-old entrepreneur was a millionaire by the time he was 28. He sold the company in 2004 to a British mobile company for $15 million.