St. Louis based coatings manufacturer Carboline announced it has named Juanjo Ardid as company president. Ardid succeeded Chris Tiernay, who led the company since late 2016, on June 24.Ardid had been employed by PPG since 1993 before joining Carboline. He was most recently based in Pittsburgh, Pa., as Vice President of Protective and Marine Coatings for the U.S. and Canada.