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John Callen


Canton, Ohio, United States

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Work Experience

Diebold Nixdorf

Sr Director, Training and Process Improvement

2018-07-01 00:00:00 - Present

Ncr

Director, Contact Center Technical Support and Remote Resolution

2012-11-01 00:00:00 - 2017-02-01 00:00:00

Diebold

Director of Service Operations and Planning

2007-12-01 00:00:00 - 2012-11-01 00:00:00

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