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Tina Winkelblech is an experienced Global Commodity Manager currently serving as the Purchasing Director for Commodities, Raw Materials, and Fuel Cells at General Motors since 2023. With a solid background in the automotive industry, Tina has held various roles at General Motors, including Global Commodity Manager and Purchasing Program Manager for Electrification. Tina also worked as an Industrial Specialist at the Department of Defense from 2009 to 2011 and spent over a decade in purchasing roles at Chrysler. Tina holds a Bachelor of Science in Industrial Management from Purdue University and an MBA from Oakland University.