Usinas Siderurgicas de Minas Gerais SA Usiminas
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Alberto Ono
CEO
Christiano Colen V.
Analista De Tecnologia Da Informação Senior
Leonardo Frizeiro
Compliance General Manager
Arnaldo Ortona
Director, Supplies
André Chaves de Andrade
Corporate Director of Sustainability & Institutional Relations
+ 17 more
November, 2002 - present
February, 2014
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