How can a manager successfully cast a vision to a team who has shown zero interest in rolling out a company-wide Lean Six Sigma implementation?

I’m a Lean Six Sigma fan! As Operations Manager in an IT company, I am convinced a company-wide Lean Six Sigma implementation will bring standardization and stabilization. How can a manager successfully cast a vision to a team with 4 other managers who have shown zero interest in two previous conversations about the subject? If…