
“Black Belt training provided some very useful tools to really dig into our quality problems and identify the root cause. The course was definitely worth it.”

“The skills our team members developed in Green Belt have become the foundation of our Continuous Improvement program.”

“With Cedro’s help, the nursing staff and doctors were able to improve several processes in Med Surg and get our KPIs back on track.”
Step 1 (of 3): Determine which Lean Six Sigma certification is right for you.
Lean Six Sigma Black Belt
Lean Six Sigma Black Belt covers Yellow Belt and Green Belt plus advanced statistical analysis, DOE (design of experiments), and leadership techniques for creating a culture of Continuous Improvement.
Best choice for CI leaders, process engineers, and quality managers.
Step 2: Decide which Lean Six Sigma certification method is appropriate for your skillset and team.
Exam Based Certification


The best choice if you:
- Have been trained as a Lean Six Sigma Yellow, Green, or Black Belt through work or elsewhere,
- Are confident in the principles of Lean and Six Sigma and your ability to apply them in your role as a Yellow, Green, or Black Belt,
- Have never been officially certified.
Self-Paced Training & Certification


The best choice if you:
- Want to train yourself or your team as Lean Six Sigma Yellow, Green, or Black Belts,
- Need a flexible, self-paced training schedule,
- Are seeking an affordable way to get a globally recognized certification.
Pro Certification – 1 On 1 Coaching


The best choice if you:
- Want 1-on-1 coaching from a Lean Six Sigma Master Black Belt, helping your Lean Six Sigma complete process improvement projects,
- Require a measurable ROI, return on investment, from your Lean Six Sigma training,
- Desire to build a team of practitioners, who can apply Lean Six Sigma in your organization,
- Are looking for an industry recognized practitioner certificate.
Live Training & Certification


The best choice if you:
- See the benefits that come from in-person learning,
- Are looking for guided, team building exercises during Lean Six Sigma training,
- Want on-location coaching from a Lean Six Sigma Master Black Belts on specific processes related problems.

Why Use Lean Six Sigma Toolbox to get Certified?
- We are a globally recognized provider of Lean Six Sigma training, certification, and consulting services.
- We’ve helped hundreds of companies just like yours get certified.
- Our 100% online self-paced courses are designed to get you up to speed fast
- We teach real world Lean Six Sigma from our own experience starting and operating companies, not theory.
- We get results. Teams that go through our Green Belt Boost program save over $20,000 on average for their companies on their first project. Many have saved over a million.
Step 3: Click one of the links below to begin your Lean Six Sigma certification.
Lean Six Sigma Yellow Belt Certification

Perfect for everyone in your organization regardless of position or department. Yellow Belt helps teams speak the same language and start on the same page when it comes to continuous process improvement.
- Intro to Lean and the 8 Wastes
- Intro to Six Sigma and DMAIC
- Structured Problem Solving
- Built In Quality

Green Belts are project leaders who drive process improvements in their functional areas.
Green Belt Certification is the best choice for most people because the tools learned are easy to use and provide an immediate return on investment to the employee and company.
Individuals with a Lean Six Sigma Green Belt certification increase their earning potential by 10 to 30 thousand dollars per year.
- Advanced Lean and the 8 Wastes
- Six Sigma & VOC
- DMAIC Problem Solving
- Value Stream Mapping
- Root Cause Analysis, 5 Whys, 6 Ms
- Visual Management & 5S
- The Kaizen System & Kaizen Events
- Statistical Process Control & Control Charts
- Quality Management & Mistake Proofing

Black Belts lead the Continuous Improvement activities in an organization. They are cross functional project leaders who also develop and guide the company on the Lean journey.
Black Belt Certification is the best choice for individuals seeking to make their career in Continuous Improvement. This certification requires students learn advanced statistics and data analysis. For this reason we recommend Black Belt certification for process engineers, quality engineers, and Lean Six Sigma leaders.
Individuals with a Lean Six Sigma Black Belt certification increase their earning potential by 20 to 50 thousand dollars per year.
- Advanced Lean and the 8 Wastes
- Six Sigma & VOC
- DMAIC Problem Solving
- Value Stream Mapping
- Root Cause Analysis, 5 Whys, 6 Ms
- Visual Management & 5S
- The Kaizen System & Kaizen Events
- Statistical Process Control & Control Charts
- Quality Management & Mistake Proofing
Lean Stories
Check out our blog for case studies from other companies having incredible success with Lean Six Sigma.
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