RRC
Issued to
Roger Ramon Callejas
Want to report a typo or a mistake?
Credential Verification
Issue date: July 14, 2026
ID: 1f4af42f-cca8-467d-90a7-1c6b58b7828a
Type
Certification
Level
Foundational
Skills
Process Mapping
DMAIC Process (Define, Measure, Analyze, Improve, Control)
Lean Tools