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, professor of supply chain practice and director of Executive Education in the Whitman School, was quoted in multiple news outlets in stories about the global supply chain crisis. They include ,��,��,�� (Oswego),��, and ��(�����Բ��󲹳��ٴDz�).

In an article for Vox, Penfield explained the supply chain crisis, saying, “What will happen is that a phone will be delayed because they’re waiting on their plastic supplier, and the plastic supplier is waiting on the ingredient. It just takes one supplier — and it could be the base ingredient supplier — to fully screw up your supply chain.”