Within six months of joining National Steel, Barker was designing, running and evaluating trials to reduce surface defects. In 1983, he was part of the first plant-wide group to work on quality and yield improvements. Later, he developed an automated slab quality evaluation system and supervised process optimization and productivity improvement. He is now area manager of hot mill slab yards, furnaces and finishing for U.S. Steel's Great Lakes Works in Ecorse, Michigan.
In 2000, he received the American Institute of Mining, Metallurgical, and Petroleum Engineers Distinguished Service Award in recognition of his years of service to AIME. He once served as Chairman of the Overarching Committee of AIME
Degree: B.S. metallurgical engineering
Notable Achievement: Former President of the Iron and Steel Society