Six Sigma
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Yellow Belt (YB):
The “entry level” for Six Sigma professionals; employees who understand the basics of Six Sigma methodology. Yellow Belts are responsible for implementing Six Sigma at the process level and may manage small projects, but do not lead teams or major projects.
Green Belt (GB):
An employee, usually a team or project leader, who has been formally trained (and may be certified) in Six Sigma methodology. A GB implements Six Sigma principles as a part of his or her duties, but does not concentrate on them exclusively; s/he is responsible for Six Sigma implementation at the level of project organization and management.
Black Belt (BB):
A “Black Belt” is team leader in a business or division, trained in and responsible for implementing Six Sigma principles to increase quality, productivity, and customer satisfaction according to DMAIC and DFSS methods and standards. A Black Belt has usually completed a four-week training program, one or more Six Sigma projects, and an examination on Six Sigma practices.
Master Black Belt (MBB):
An expert in Six Sigma philosophy and methodology who has generally undergone testing and certification. An MBB serves as a leader of a companys Six Sigma program, responsible for strategic implementation of programs and for training and mentoring Black Belt and Green Belt in Six Sigma methodologies.
Yellow Belt (YB):
The “entry level” for Six Sigma professionals; employees who understand the basics of Six Sigma methodology. Yellow Belts are responsible for implementing Six Sigma at the process level and may manage small projects, but do not lead teams or major projects.
Green Belt (GB):
An employee, usually a team or project leader, who has been formally trained (and may be certified) in Six Sigma methodology. A GB implements Six Sigma principles as a part of his or her duties, but does not concentrate on them exclusively; s/he is responsible for Six Sigma implementation at the level of project organization and management.