Jonathan Guerrieri

Jonathan Guerrieri is an experienced engineer specializing in metallurgy, with a prominent career spanning several reputable companies in the steel and engineering industries. Currently serving as the Lead Engineer at Cleveland-Cliffs since February 2023, Jonathan previously held roles at Charter Steel, including Quality/Technical Manager for the Rolling Mill and Process Metallurgist from July 2012 to February 2023. Prior experience includes positions as a Process Metallurgist at Republic Engineered Products and Alcoa, where Jonathan was a Senior Metallurgical Engineer. Jonathan's career began at RTI International as a Billet Engineer and at AK Steel as a Ladle Refining Supervisor/Engineer. Jonathan holds a degree from The Ohio State University.