Six Sigma is a process in which individuals are trained and certified in a methodology that will help companies Organize, Analyze and Improve their overall business operation. This will help to make them more efficient and more profitable. In the hierarchal structure of Six Sigma, there are different levels of certification that pertain to the degree of proficiency and level of expertise and understanding of the theories of this business management strategy. These levels are referred to as belts. The highest level is the Six Sigma Master Black Belt.