U.S. Steel executive Douglas Matthews to retire

United States Steel Corp. (NYSE: X) Senior Vice President and Chief Commercial and Technology Officer Douglas Matthews will retire in January 2021, according to a news release.  Matthews worked at U.S. Steel for 33 years, serving in roles including as vice president and general director of the former U.S Steel Serbia, president and general manager of U.S. Steel Canada, vice president of tubular operations, president of U.S. Steel tubular products, senior vice president of North American flat-rolled…