AALSSC is a GI Bill approved, credentialing agency that offers the most relevant and attainable Lean Six Sigma certifications. We offer Green Belt, Black Belt, and Master Black Belt certifications. The seven reasons to get Lean Six Sigma certified: 1) Gain credibility 2) Increase your marketability 3) Increase your chances for a promotion or advancement 4) Personal satisfaction and professional development 5) Earn more money 6) Gain new skills and knowledge 7) Become an independent consultant