U.S. Steel appoints former Alcoa executive as chief procurement officer United States Steel (X) announced the appointment of Christine Breves to the role of vice president and chief procurement officer. Breves joins U. S. Steel following her retirement from Alcoa Inc. (AA) in January and has more than 30 years experience in leading procurement and global sourcing strategies for large industrial firms in the mining and metals sector, U.S. Steel said.
