Mario Longhi, executive vice president and chief operating officer, United States Steel Corporation

Mario Longhi joined U. S. Steel in July 2012 to serve as executive vice president and chief operating officer. In this role, Longhi is responsible for U. S. Steel’s North American Flat-Rolled, Tubular and Central European operations, as well as global operations services. Prior to joining U. S. Steel, Longhi spent six years at Gerdau Ameristeel Corp., serving first as president from 2005 through 2006 and then additionally in the role of chief executive officer from 2006 until 2011. Before his arrival at Gerdau Ameristeel, Longhi spent 23 years at Alcoa Inc., which he joined in 1982 as a construction superintendent for the company’s Alumar Refinery in his native Brazil. During his time with the company, he advanced through increasingly responsible positions in Brazil, the United States and Switzerland, including tenures as president — Alcoa Wheels International, president — Alcoa Forgings Division, president and chief executive officer — Howmet Castings, and Alcoa vice president and group president — Global Extrusions. Longhi began his career in the metals industry in 1978 as an engineer at Cobrasma, a Babcock and Wilcox licensee for the sale, design and manufacture of pressure vessels for use in South America. He earned a bachelor’s degree in metallurgical engineering from the Institute Mauá de Tecnologica in São Paulo. He became an American citizen in 2007. During his career, Longhi has been active in several prominent industry trade associations and has served as chairman, director and executive committee member of the Steel Manufacturers Association and director of the American Iron and Steel Institute.