John Weigman

John Weigman is an experienced professional in process improvement and customer service, currently serving as a Lean Six Sigma Master Black Belt at Avient Corporation since July 2020. Prior to this role, John held the same title at PolyOne from January 2015 to July 2020. John's extensive career includes positions at Lincoln Electric, where responsibilities spanned from Global Customer Service Manager to Lean Six Sigma Master Black Belt, Black Belt, and Cost Accounting Analyst, as well as a Business Analyst role at Chiron Diagnostics. John began a career in engineering at Boeing as a Manufacturing Engineer from 1988 to 1997. Academic credentials include a Bachelor of Science in Industrial Engineering from The Ohio State University and a Master of Business Administration from Washington University in St. Louis - Olin Business School.