the master

“SS is one and Lean is the other. So I’m asking what is the difference between the two?”
Six sigma improves “process” quality by reducing variation.
Lean improves “process” velocity by reducing waste.
The Master has spoken.

well, since Mr. mahmood Ahmadi Nejad has Phd like most of other a.. holes running the world, I vote to MBB.
Unless you can name an a.. hole President which is MBB certified.