Lean Six Sigma Black Belt Lean Sigma black belts are the heavyweights of lean implementation. They are the direct managers/leaders of Lean Sigma projects. This program teaches all of the necessary skills for successful leadership of a lean Sigma project. lean Sigma Black Belts generate an average of more than 200 thousand dollars per project of savings and new net revenue. Each Black Belt can lead 3-5 projects a year. more...