Understanding the belt system of Six Sigma is not difficult when you think of it in terms of tiers. The Black Belt is the top individual or leader. At this level, someone would practice leadership skills on a daily basis, design, develop, and run team projects utilizing the DMAIC model. A Master Black Belt would be responsible for training the lower level belts (Green and Yellow).The belts run on much the same concept as martial arts. The most intense is black, the second level is green, followed by yellow and then white. There is also the master black level, which is, in essence, a master at the Six Sigma method who would be responsible for the training the Green and Yellow Belts.At the top, these belts, or trained and certified professionals, are responsible for the smooth functioning of...