Mikhail Prokhorov is an erstwhile chairman of Polyus Gold.
 When he departed in 2007, Prokhorov's share of the company was worth US$7
 During the largely un-regulated privatization of former state-controlled industries after the collapse of the USSR, Prokhorov and Potanin (the latter by then a deputy prime minister who oversaw privatization) were able acquire the shares from the workers of Norilsk Nickel for a fraction of their estimated market value and seize ownership of the company

