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Becoming Certified as a Lean Six Sigma Black Belt



Lean Six Sigma (LSS) provides an excellent framework for creating efficiencies throughout an organization, combining the defect prevention focus of Six Sigma with the emphasis on waste reduction and process streamlining offered by Lean thinking.

This waste-reducing hierarchy typically culminates with the Lean Six Sigma Black Belt certification, which is geared to busy professionals interested in managing Black Belt-level projects and overseeing Green Belt-level projects within their organizations.

Black Belt-level students learn to drive effective change in the workplace. The certification curriculum allows students to participate in an improvement project, providing them with leadership experience that can help them champion efficiency initiatives within their organizations and direct other lower-level belts as well.

With an advanced understanding of the methodologies, tools and techniques employers value most, certified Black Belt-level professionals can better perform within their current roles and benefit from a credential that can help them advance even further.


Path to Becoming Black Belt Certified at Purdue

To be eligible to earn a Black Belt-level certificate from Purdue University, professionals must first be certified as a Lean Six Sigma Green Belt and in Lean Principles. Green Belt-level students who did not become certified from Purdue can benefit from the University’s Six Sigma Green Belt Refresher course.
six sigma black belt

  • Lean Six Sigma Green Belt
    For those just starting their LSS path, this certificate course serves as an introduction to the tools, techniques and methodologies that empower professionals to lead LSS projects in their organization.
  • Lean Principles
    With a focus on the 14 management philosophies practiced in Lean systems, students learn the tools, quality improvement methods, and business philosophy required to achieve operational excellence.
  • Six Sigma Green Belt Refresher
    Professionals seeking Black Belt-level certification can brush up on their Green Belt-level knowledge and/or better understand the quality standards of Purdue before completing the Lean Six Sigma hierarchy.

Lean Six Sigma Black Belt Certification Requirements

Having already obtained Green Belt and Lean Principle certifications will confirm that students are on the right trajectory to achieve the capstone in Purdue’s Lean Six Sigma series.

There are no requirements regarding GPA, test scores and professional experience, as the successful completion of Green Belt/Green Belt Refresher and Lean Principle certificates ensure students are prepared to enter the LSS Black Belt course.


Lean Six Sigma Black Belt Certification Curriculum

Students seeking Lean Six Sigma Black Belt certification are provided with the opportunity to build upon their current knowledge of Lean Six Sigma principles by conducting a Black Belt-level improvement project, which helps them further develop their mastery of the discipline.

Students will improve their approach to the Define, Measure, Analyze, Improve and Control (DMAIC) process, the most-used LSS project method, which focuses on improving an existing process by reducing and eliminating defects, providing specific solutions and incorporating controls for creating sustainable efficiency gains.

The Lean Six Sigma Black Belt certification course allows students to benefit from seasoned faculty who can provide critical feedback throughout the improvement project at hand. These approachable Lean Six Sigma professionals are all adept at achieving operational excellence in their own professional endeavors and are aptly prepared to teach in the online environment.


Learning Objectives & Application

Lean Six Sigma Black Belt certification empowers professionals with the ability to assume a Black Belt role in their organizations and ultimately serve as change agents to improve customer satisfaction and business productivity.

Those who complete the Lean Six Sigma Black Belt certification are better positioned for higher earnings. Black Belt-level professionals earn an annual average salary of $96,000, which is $16,000 more than their Green Belt-level cohorts, according to PayScale.

Students who complete the Purdue Lean Sig Sigma Black Belt certification course will also have the option, at no additional cost, of earning 9.0 CEUs (continuing education units), as well as the prestige that comes with a certification from Purdue.


About Purdue’s Online Lean Six Sigma (LSS) Certificate Program

Purdue University offers comprehensive online Lean Six Sigma (LSS) certificate programs designed for working professionals with varying levels of Lean Six Sigma experience. The online Lean Six Sigma certificate courses prepare professionals to satisfy the immense demand for Lean expertise, skills and certification.

Purdue offers the following courses 100% online:



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