In association with his or her organisation, the Institute awards successful trainees an internationally recognised certificate of competence as a Black, Green ou Yellow Belt not, just to mark vocational training but to prove professional competence in process improvement.

Lean-Six-Sigma-Institute certificates are recognised worldwide; they attest to the candidates' professional competence as change agents; our Black Belts enter a global brotherhood who share knowledge and who network internationally with each other throughout their career.


The Lean-Six-Sigma Institute

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