World's Billionaires - #4

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• Heads world's largest steelmaker, $105 billion (sales) ArcelorMittal, which accounts for 10% of all crude steel production.
• Just delivered 580 tons to be used in construction of the World Trade Center memorial in New York.
• With 44% stake, is the company's largest shareholder. Longtime resident of London is Europe's richest resident.

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