101 Things A Green Belt Should Know. Green Belts are employees of an organization who have been trained on the Six Sigma improvement methodology and will lead a process improvement team as part of their full-time job. While Green Belts do not need to know as much as Black Belts or Master Black Belts, there are many things a Green Belt should know. This list will help. You caught me. There are not 101 things a Six Sigma Green Belt should know listed below – yet.
Excel.