Usmanov is chief executive officer of Gazprominvestholding. His fortune stems
from holdings in mining (Metalloinvest, Russia's largest iron ore producer), technology (Facebook, Twitter, Alibaba, Zynga and Groupon through Digital Sky Technologies and Mail.ru) and telecommunications (MegaFon). He also co-owns U.K. soccer team Arsenal.
Metalloinvest Holding Co., Russian billionaire Alisher Usmanov’s mining company, is in talks with Chinese companies about selling a stake in a Siberian copper deposit, according to people familiar with the matter.