Definition of ‘Six Sigma certification’
Six Sigma Certification is a process of verification of an individual’s command of the Six Sigma methods and techniques, and of assessing of the individual’s skill level using a “Belt” classification — “Black Belt,” “Green Belt,” etc. — which reflects the positions these individuals would occupy within organizational infrastructure.
Investopedia explains ‘Six Sigma certification’
Originally, Motorola and General Electric developed Six Sigma certification programs for internal use. Since the 1990s, other organizations, such as professional groups, universities, and for-profit training organizations began to offer it. There is no unifying standard for what is required to be certified as a “Belt” — each certifying body determines its own criteria