What is the best way to get a C$-$suite sponsor if one is not readily available?

Go to social media and pressure your CEO into sponsoring your initiative.

Invite shareholders to put pressure on the C$-$suite to support your initiative.

Run a great pilot project to give you the story and the numbers to sell lean six sigma.

There is no need to get a C$-$suite sponsor; lean six sigma is easy enough to do with just middle managers.