Members of the public walk past luxury goods retailers on Old Bond Street on April 15, 2014 in London, England. A report by property advisers Colliers International has listed Old Bond Street as Europe's most expensive street with rents of £839 ($1,400) per square foot per year. (Getty Images)
Twenty years ago the Dubai-based business tycoon watched his parents flee the Rwanda genocide having lost everything — again. Today, the company he started to help get his family back on their feet is a monstrous conglomerate in 22 African countries.