Stefan Ries is a Lean Sigma Consultant at WIKA Gruppe since April 2021, focusing on the deployment of a global network of Business Process Experts. Previously, Stefan worked at Karl Mayer as a Lean Sigma Manager from May 2013 to March 2021. Prior to that role, Stefan held multiple positions at Tenneco Automotive from March 2006 to April 2013, including Manufacturing Engineering Manager and Manufacturing Engineer & Black Belt.
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