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Terms used to describe the level of expertise attained by a Six Sigma-trained
professional. There are four "belt" levels: 1) Yellow
Belt (YB) – the lowest level of
Six Sigma expertise; applies to a professional who has a basic working
knowledge and who may manage smaller process improvement projects, but who does
not function as a project or team leader; 2) Green Belt
(GB) – in many organizations, Six Sigma's "entry
level"; a Six Sigma-trained (and sometimes certified) professional who does not
work on Six Sigma projects exclusively, but whose duties include leading
projects and teams and implementing Six Sigma methodology at the project level;
3) Black Belt (BB)
– a Six Sigma-trained professional who has usually completed an examination and
been certified in its methods; all job duties include implementation of Six
Sigma methodology throughout all levels of the business, leading teams and
projects, and providing Six Sigma training and mentoring to Green and Yellow
Belts; and 4) Master Black Belt (MBB)
– the highest level of Six Sigma expertise; all duties involve implementation
of Six Sigma, including statistical analysis, strategic and policy planning and
implementation, and training and mentoring of Black Belts. |
