10Mikhail Prokhorov - $11.4 billion
Mikhail Prokhorov founded Onexim Group, a Russian holding company involved in banking, insurance, sports and energy. The group holds a 17% stake in the world's biggest aluminum producer United Co. Rusal, and a 27% stake in Uralkali, Russia's largest potash producer.
In 2011 Prokhorov ran as
an independent candidate in the 2012 Russian presidential elections. He was unsuccessful, coming in third with just over 7% of votes. In 2012 he established a new Russian political party, the 'Party of Civic Platform'. Prokhorov also owns 80% of the NBA's Brooklyn Nets as well as Barclay's Center arena.