Six sigma as a quality certification is considered to be globally recognized for operational excellence and process improvement. Having a six sigma certification for any professional proves their commitment to improving their business acumen and analytical abilities alongside improving the business workflows and processes. This certification involves six levels ranging from a primary end user to a master black belt showcasing growing levels of operational maturity, caliber, and responsibilities:  White belt - Introductory knowledge; supporting teams in problem-solving  Yellow belt - Participate as a project team member to carry out process improvements  Green belt - Lead process improvement projects (Green belt projects); analysis of black belt projects  Black belt - Lead problem-solving projects; Training and coaching project teams  Master Black belt - Train and coach Six sigma black belt, and green belt professionals; functions at the six sigma program level  Six Sigma Champion - Lead initiative, mentor master black belts and create a culture of lean six sigma