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John Hartner

CEO & Director

John Hartner joined The ExOne Company as Chief Operating Officer in November 2018, and became Chief Executive Officer on May 15, 2019. He was elected to the Board of Directors on May 13, 2020. Mr. Hartner has led technology companies around the world for 30 years in the electronics, cleantech, automation and digital printing industries. For alm...

Roles at ExOne

  • CEO & Director

    Current role


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