They Told Her She Wasn’t “Process Improvement Material.” Six Weeks Later, She Passed Her Green Belt Exam — and Got the Promotion.
How ordinary American professionals are walking into the Six Sigma Green Belt exam — and walking out with the credential that gets them promoted. Rachel had been running the same production line for four years when her plant manager mentioned the opening. “Process Improvement Lead. You’d need your Green Belt certification first, though.” She almost…