John Sankiewicz

John Sankiewicz is a seasoned financial professional with extensive experience in financial planning, analysis, and management. Currently serving as a Senior Financial Analyst at Owens Corning since November 2021, John previously held roles at Marathon Petroleum Corporation, where responsibilities included managing financial forecasts, conducting variance analyses, and enhancing reporting processes. John's expertise also encompasses cash forecasting, project management, and data analysis from earlier positions at West Erie Realty Solutions, El Pescador, and Huntington National Bank. John holds an MBA from Bowling Green State University and a BBA from The University of Toledo, with additional educational pursuits at Owens Community College.