Harzell Walker is a Master Black Belt and Manager at Cummins, where they have developed and implemented Six Sigma methodologies to enhance process improvement initiatives since 2021. Previously, they served as a Black Belt Manager at Cummins and a Field Service Manager at Navistar, providing technical support and customer service for diesel engines across North America. Harzell earned a Bachelor of Applied Science in Management from Bellevue University and an Associate's degree in Diesel Service Technology from Lincoln Tech.
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