Six Sigma is a systematic approach to making significant or breakthrough process improvements. Currently, Six Sigma exists as a team-based problem-solving approach applied by trained project facilitators, which are typically called belts. Depending on the level of expertise in the methodology and improvement tools, belts can be White, Yellow, Green, Black, and Master Black Belts (MBB). The Master Black Belt is the highest level of expertise in Six Sigma approaches, tools, and techniques.
In companies implementing Six Sigma, the role of Master Black Belt is to train, guide, and coach Black and Green belts to execute their improvement projects efficiently. In addition to this, Master Black Belts often are responsible for overseeing the organization-s entire improvement program with the ultimate responsibility for creating a robust culture of continuous improvement. Thus, the competence of MBBs is critically important for the success of and long-term sustainability of Six Sigma i
