Six Sigma has multiple levels for learning called Yellow Belt, Green Belt, Black Belt & Master Black Belt. Those who successfully undergone this training would be treated as Six Sigma Certified. The underlying idea of being 'Six Sigma Certified' is that if you can measure how many 'defects' you have in a process, you can systematically figure out a way to eliminate them and get as close to 'zero defects' as possible.

6sigmastudy is the global certification body for six sigma certifications. The quality of its study resources, the credibility of certifications, use of technology to create user-friendly processes, simplified partner registration, and the focus on interactive training methodologies distinguishes it in the world of six sigma certifications. 

Not really. However, it is recommended to go step-by-step. Learn the theory & apply it practically to gain additional insights on different tools & techniques before moving to the next level. We recommend the students start with Six Sigma Yellow Belt whereas the working professionals can start with Six Sigma Green Belt.

The Six Sigma Black Belt is a professional who can explain Six Sigma philosophies and principles, including supporting systems and tools. A Black Belt should demonstrate team leadership, understand team dynamics and assign team member roles and responsibilities.

Yes, it is possible to skip green belt and directly go for Black Belt in six sigma Course, one need not possess a Six Sigma green belt certification but at least must have completed one or two projects that are directly related to process improvement and must have three-year experience of full-time fieldwork in their expertise.