Columbus Castings
John Hester has over 25 years of experience in the manufacturing and quality assurance sectors. Currently serving as Quality Manager at Columbus Castings since April 2005, John specializes in metrology, calibration, casting layout, and incoming material inspection. Prior to this role, John worked as a Project Manager at UnionTools from April 1993 to May 2002 and as a Mill Operator at Worthington Industries from 1989 to 1992. John holds a Bachelor of Arts and Science degree in Industrial Technology, with a focus on business and technical electives, earned from The Ohio State University and Columbus State Community College.
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