MBB

MBB may refer to:McKinsey, BCG, Bain—the top three pure  strategy consulting firmsMesserschmitt-Bölkow-BlohmMedal for Bravery (Bronze), an honour in Hong KongMinimum bounding boxMaster Black Belt, a certification in the study of Six Sigma
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Six Sigma or quality experts responsible for strategic implementations within the business. The Master Black Belt is qualified to teach other Six Sigma facilitators the methodologies, tools and applications in all functions and levels of the company and is a resource for utilizing statistical process control within processes.