Scott D. Buckiso was named Senior Vice President & Chief Manufacturing Officer – North American Flat-Rolled (NAFR) segment, effective January 1, 2020. In this role, Mr. Buckiso has executive responsibility for all North American Flat-Rolled production facility activities.

Mr. Buckiso joined U. S. Steel in 1990 as a management associate at Mon Valley Works' Irvin Plant. From 1990 to 2004, he advanced through increasingly responsible positions in finishing operations at the Irvin Plant, casting at Mon Valley Works’ Edgar Thomson Plant and finishing operations at Great Lakes Works.

In 2004, Mr. Buckiso was named Division Manager of Rolling at Great Lakes Works and added oversight of the plant’s finishing operations to his area of responsibility in 2005. In 2006, he relocated to the Republic of Serbia to serve as General Manager of Finishing at the former U. S. Steel Serbia.

Mr. Buckiso returned to North America in 2007 when he was named Plant Manager of the former U. S. Steel Canada’s Lake Erie Works. He was appointed Plant Manager – Finishing at Gary Works in 2009. Two years, later, he was named General Manager – Mon Valley Works, with responsibility for four facilities: Edgar Thomson Plant (primary operations); Irvin Plant (finishing); Clairton Plant (coking and coal chemical operation); and Fairless Plant (galvanizing).