Our company recently went through a four-month training process to become Lean Six Sigma certified. When I tell people about the process, I always begin with the question, “Do you know what Lean Six Sigma is?” Here are some recent answers.
 
“You know, I’ve heard of that before. What is it?”
 
 “Hey, I just attended a class on 5S. Isn’t that part of Lean?”
 
“I use a lot of Lean concepts in my plant. In my previous career I was trained as a Lean Six Sigma Champion. So I am very ...