John Sanzen currently holds the position of Sr. Continuous Improvement Coordinator at Packaging Corporation of America, a role undertaken since September 2025. Prior to this, John Sanzen was employed at Greif for over three decades, during which time multiple roles were held, including Sr. Continuous Improvement Coordinator and Continuous Improvement Coordinator. Key responsibilities included leading kaizen teams, developing and delivering training for Green Belt and Black Belt certifications, managing daily KPI statistics and quality systems, and implementing data collection and visual management systems. Academic qualifications include a Master's Degree in Management and a Bachelor's in Information Technology, both obtained from American InterContinental University Online.
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