The method
What is Lean Six Sigma?
Lean Six Sigma is a quality management methodology for process improvement that reduces cost and raises product and service quality. Lean eliminates waste and streamlines value delivery; Six Sigma attacks chronic problems with data-driven, statistical decision-making.
Choose your track
People and companies.
Personnel certification
White Belt through Master Black Belt and Grand Master, plus executive tracks. Centralized examinations and a Body of Knowledge for each level.
Company accreditation
Lean Six Sigma™ DOJO: for companies providing Lean Six Sigma training.
Lean Six Sigma™ SENJO: for companies applying Lean Six Sigma in their quality management system.
Lean Six Sigma at ASC.
What is ASC-PCS-001:2025?
ASC-PCS-001:2025 (Rev 3) is ASC's published personnel certification standard for Lean Six Sigma: seven belt tiers with a Body of Knowledge for each level, certification body governance, impartiality committee oversight, appeals, and centralized examinations, aligned with ISO/IEC 17024 requirements and free to download.
What are DOJO and SENJO accreditations?
DOJO is ASC accreditation for companies providing Lean Six Sigma training; SENJO is ASC accreditation for companies applying Lean Six Sigma within their own quality management system.
Which belt levels does the scheme cover?
White Belt, Yellow Belt, Green Belt, Black Belt, Master Black Belt, Grand Master, plus executive tracks: Champion, LSS for Executives, and CEO of Lean Six Sigma.
Become a DOJO or certify your people.
Start with a written quotation under the published fee schedule.