Six Sigma Green Belts have received training on the Six Sigma road map and essential elements of statistical methodologies supporting Six Sigma projects. Green Belts allocate up to 50% of their time on Six Sigma projects, and Black Belts assist them with projects as needed.
Six Sigma Black Belts are technical leaders who have received training focusing on the Six Sigma road map and extensive statistical methodologies. Black Belts normally dedicate up to 75% of their time to Six Sigma projects, and they assist Green Belts as needed. Green Belt certification is required for Black Belt certification eligibility.
Six Sigma Master Black Belts represent the highest level of technical and organizational proficiency. They have received six weeks of training on the Six Sigma methodology, and they've learned the skills and tools required to teach Six Sigma philosophies and implement Six Sigma within an organization. Master Black Belts lead all levels of Six Sigma projects, and they help Black Belts apply methodology when necessary. Their jobs are completely devoted to Six Sigma. Black Belt certification is necessary for Master Black Belt certification eligibility.