Russian steel tycoon best known as the Chairman of Novolipetsk, one of Russia's largest steel companies.
His first job was as a mechanic in a coal mine in 1975
He became the second-richest man in Russia and was worth an estimated $24 billion as of 2013.
He has been married and has children.
He and American mogul Andrew Carnegie are two of history's most prominent forces in the international steel industry.