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New Horizons New Horizons Project Management Academy Project Management Academy Six Sigma Online Six Sigma Online TCM Security TCM Security TRACOM TRACOM Velopi Velopi Watermark Learning Watermark Learning
Contact Sales Contact Support
Educate 360 Educate 360
New Horizons New Horizons Project Management Academy Project Management Academy Six Sigma Online Six Sigma Online TCM Security TCM Security TRACOM TRACOM Velopi Velopi Watermark Learning Watermark Learning
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FREE! White Belt Certification
Customer Service Training

Lean Six Sigma Master Black Belt Training & Certification in Customer Service

With Lean Six Sigma Master Black Belt Training and Certification in Customer Service, an individual will have demonstrated a comprehensive understanding of all key fundamentals dictating the Lean Six Sigma system, from concepts and methodologies to leadership and best practices. A Lean Six Sigma Master Black Belt in Customer Service assists in the development and execution of Six Sigma projects and provides mentoring and additional training for Six Sigma teams.

Our Lean Six Sigma Master Black Belt Certification in Customer Service is an advanced level program that requires successful completion of our Black Belt Certification Program and several project requirements.

For those seeking this achievement, you must first complete our:

  1. Black Belt Certification Program (successfully passing exams with a 70% minimum)
  2. Black Belt Level II & Level III (submitting 2 projects)

Once those prerequisites are achieved, the Master Black Belt candidate will be required to:

  • Pass a 50 question exam with a score of 90% or higher
  • Submit 2 additional DMAIC/DMADV projects for review.

This course is available in the following formats:

Standard Formats:

Six Sigma Master Black Belt in Customer Service
Lean Six Sigma Master Black Belt in Customer Service (what’s the difference?)

Begin Your Journey Today

For those that would like to begin on their path to a Master Black Belt, please visit our Lean Six Sigma Black Belt in Customer Service or Six Sigma Black Belt in Customer Service page (which has no prerequisites and will include all the lower belts).

For those that have already met our Master Black Belt requirements, please contact Customer Care for current pricing and availability.

Gained Your Black Belt Certification Elsewhere?

Already have your Black Belt Certification from an industry respected provider? Contact us to apply for a Black Belt Waiver.

FAQs

This certification prepares professionals to oversee multiple improvement projects across large-scale service operations. Master Black Belts in customer service often move into roles such as Director of Quality, VP of Customer Experience, or Process Improvement Consultant, leading strategic initiatives that directly impact satisfaction, retention, and efficiency.
Candidates must first complete the Black Belt Certification Program, including two approved DMAIC or DMADV projects and passing all exams with a score of at least 70 percent. After that, Master Black Belt candidates must pass a 50-question exam with a 90 percent or higher and submit two additional advanced projects for review. Projects can be based on live or hypothetical business environments and are evaluated by a resident Master Black Belt to confirm full mastery of the Lean Six Sigma methodology.
Examples include reducing repeat contacts, improving escalation accuracy, automating routine customer inquiries, or redesigning feedback systems to identify and eliminate common failure points. Each project should demonstrate measurable improvement in quality, speed, and customer satisfaction across multiple departments or channels.
Master Black Belts act as program architects and coaches, guiding Six Sigma practitioners through project execution and data analysis. They ensure that customer service teams maintain consistent use of Lean Six Sigma tools, prioritize high-impact projects, and sustain results through standardized control plans.
Lean Six Sigma identifies non-value-added steps in customer support workflows, such as redundant data entry, over-processing, or excessive transfers. By streamlining these processes, organizations achieve faster resolution times, reduced backlog, and improved service quality without increasing staffing or cost.
No. Lean Six Sigma certifications issued through the Council for Six Sigma Certification (CSSC) do not expire. CSSC believes renewal fees mainly benefit providers, not professionals. Much like a degree, your certification remains valid for life. If you wish to refresh your knowledge or update your certification date to highlight new Lean Six Sigma accomplishments, you can retake the exam anytime for a minimal cost. Each certification includes a verifiable ID number listed in the official CSSC register.

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