Things Lean CEO's outperforming you understand about it:

"fundamental to the means and methods of the firm."

"a complete, coherent system of thinking that addresses the strategic concerns of senior leadership."

Full article: Why Doesn't Lean Have a Seat at the Table?

https://www.industryweek.com/leadership/article/22028402/why-doesnt-lean-have-a-seat-at-the-table