Which Certification is Proper for You: Six Sigma or Lean Six Sigma? | Simplilearn

If you’re planning a profession in Quality Management within the manufacturing, pharmaceutical, healthcare, know-how or service industries, potential employers will usually search for Six Sigma or Lean Six Sigma .

Six Sigma and Lean Six Sigma are two separate tracks, every with three ranges of certification. Each begin on the Inexperienced Belt stage and progress to Black Belt and Grasp Black Belt ranges. So which path is best for you? Right here’s a short record of Six Sigma course eligibility concerns.

If you’re an skilled skilled with greater than three yr’s expertise in a number of related Six Sigma areas, then you may put together for and take the Six Sigma Inexperienced Belt examination. You probably have labored on a number of tasks, you might be certified to take the check for the Six Sigma Black Belt certification.

When you lack work expertise however are prepared to review for the check, you may take the Lean Six Sigma Green or Black Belt exams. There aren’t any conditions for both of those Lean Six Sigma exams.

When you want to mentor and practice professionals, seek the advice of on tasks and provide strategic Six Sigma steering for a company, then the Grasp Black Belt (Six Sigma Grasp Black Belt or Lean Six Sigma Grasp Black Belt) certification is advisable.

Lean Six Sigma Inexperienced Belt Certification

Study Six Sigma and the DMAIC MethodologyVIEW COURSE

Lean Six Sigma Green Belt Certification

Selecting the Proper Accreditation Physique

International Accreditation Brings Credibility

Since there is no such thing as a single official physique approved to conduct Six Sigma and Lean Six Sigma coaching and certification, many alternative corporations have developed pointers and provide coaching and certification. Nonetheless, two accrediting our bodies are acknowledged by main international organizations and our bodies.

The American Society for Quality (ASQ) ensures that skilled Six Sigma coaching and certifications are carried out in line with international trade requirements. It’s endorsed taking Six Sigma coaching with courseware accredited by the ASQ. Be aware that the ASQ doesn’t provide accreditation for Lean Six Sigma, nevertheless, much like ASQ, the International Association of Six Sigma Certification (IASSC), accredits courseware for Lean Six Sigma.

Selecting Your Coaching Associate

Each Six Sigma and Lean Six Sigma coaching contain understanding advanced strategies and instruments. Instructors want thorough data and experience in all related ideas. The chance in randomly choosing a coaching and certification firm is that you simply may not get an ordinary, acknowledged coaching.

Among the facets to think about when evaluating a coaching and certification group embrace: 

  • Accreditation

    Ensure you select a company that’s accredited by both the ASQ or IASSC. The accreditation relies on the observe you choose – Six Sigma or Lean Six Sigma. Selecting the best accredited coaching associate will be certain that the coaching you might be receiving meets the requirements of the accrediting physique.

  • Mode of Supply

    It’s best to select a company that provides coaching in a means that’s appropriate to your wants and affords numerous supply choices. Programs that supply choices for a classroom, instructor-led on-line lessons, and on-line self-learning provides you with the flexibleness to decide on the perfect match in line with your wants. Many professionals desire instructor-led on-line coaching over the classroom or on-line self-learning course because it affords the flexibleness to coach from house.

  • Length

    Search for flexibility within the length of the coaching. Some condensed programs have to be accomplished in a single or two days, whereas others are unfold throughout 4 to 5 days. Select essentially the most acceptable to your wants primarily based in your stage of preparation and expertise.

At Simplilearn, we provide the flexibleness to select from numerous modes and durations. We now have skilled over 200,000 professionals and are totally accredited by each the IASSC and ASQ.

Additionally, try the Simplilearn’s video on “What is Six Sigma?” to get a transparent visibility.

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Certification Eligibilities, Examinations and Duties

There are totally different Six Sigma course eligibility standards, examination processes, and jobs obtainable for licensed professionals. 

Certified Six Sigma Green Belt (CSSGB)


As described earlier, ASQ requires candidates to have at the very least three years of full-time expertise in a number of areas talked about within the CSSGB Body of knowledge.


Every candidate should move a written, multiple-choice examination carried out by ASQ. The examination is 4 hours lengthy and includes of 100 inquiries to measure comprehension of the physique of information. Be aware that the examination is primarily supplied within the English language. Nonetheless, ASQ has translated some examination applications into Spanish, Mandarin, and Portuguese. These exams are delivered through PBT (paper-based testing) and can be found solely in excessive demand areas at ASQ sponsored websites. 

Roles You Would possibly Take Up:

Help with knowledge assortment and evaluation for Black Belt tasks. Lead Inexperienced Belt tasks or groups.

Be aware: CSSGB has lifetime validity and doesn’t require recertification.

Certified Six Sigma Black Belt (CSSBB)


ASQ clearly states that ‘You do NOT need to be a Certified Six Sigma Green Belt’ nevertheless you should full two tasks with signed affidavits OR one accomplished mission with a signed affidavit and three years of labor expertise in a number of areas of the Six Sigma Black Belt Body of Knowledge.


Every candidate is required to move a written examination of 150 questions for ASQ to measure your comprehension of the Physique of Information. It’s a four-hour lengthy examination.

Roles You Would possibly Take Up:

Lead problem-solving tasks — practice and coach mission groups.


CSSBB is legitimate for 3 years from the date of certification. To resume your certification, you should both doc 18 RU credit or retake the examination.

Six Sigma Grasp Black Belt (MBB)


To be eligible to use for the Grasp Black Belt Examination, a candidate MUST maintain a present ASQ Licensed Six Sigma Black Belt (CSSBB) certificates. Additionally, they MUST have both of the next expertise ranges.

Not less than 5 years of expertise within the function of a Six Sigma Black Belt or Grasp Black Belt.


Completion of 10 Six Sigma Black Belt tasks.

Candidates should have the ability to meet these minimal eligibility necessities to have their portfolio reviewed.

Portfolio Assessment:

If a candidate meets the above eligibility standards, their portfolio can be thought-about for evaluate. A evaluate panel evaluates the candidate’s SSBB and MBB work. As soon as the panel approves the portfolio, the candidate can register to take up the MBB examination.


When you obtain the approval from the panel in your portfolio, you may register for the MBB examination. It’s a five-hour examination that measures your data and software of theoretical ideas to real-life conditions. The examination makes use of two parts to measure two totally different sorts of skillsets.

  • 100 multiple-choice questions test comprehension of information.
  • To test the applicability, a performance-based evaluation is completed, which requires candidates to judge and reply to situation-specific supplies.

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