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According to Forbes , the Mexican billionaire has a total net worth of $ 11bn , although not all of it is derived from mining . Gonzales serves as a chairman of ITAM and Grupo BAL , and also is on the Fresnillo plc Board of Directors . Penoles , one of the companies that he controls , is the largest producer of silver in the world and one of Mexico ’ s top mining companies . Much of Gonzales ’ wealth from mining bolsters his other companies , including pension firms , bullfighting , department stores , financial services and Mexican Coca- Cola bottling company FEMSA .

Potanin was the richest miner in the world for quite some time , with holdings in palladium , copper and platinum companies . Potanin ’ s main holdings however are in Norilsk Nickel . Potanin formed Uneximank in 1993 to gain control of Norilsk Nickel , Sidanco and Interros . Potanin has built a personal net worth of $ 13.8bn and spent a great deal of his time after this initial mining success , investing in the Russian Olympic presence . Potanin is also a part of Giving Pledge ; an agreement between many of the world ’ s most successful billionaires to give a majority of their wealth away to charity before their death .

28 September 2017