7. Mohammed Ibrahim (Net worth $1.1 Billion)
Dr. Mohammed ‘Mo’ Ibrahim is an entrepreneur and billionaire whose main focus is on telecommunication. He gained all his experience by working in various telecom companies before starting his own called Celtel which was a major service provider in African countries. He sold his company for 3.4 Billion dollars and started the Mo Ibrahim Foundation to better the governance in Africa. He has been listed the 692nd richest person in the world.