Six Sigma Standards

Evolving the ISSP Standards for the Era of Intelligent Operations

Date: June 2026

At the Institute of Six Sigma Professionals (ISSP), our core mission has always been to champion operational excellence, process integrity, and world-class professional standards. As the global business landscape rapidly transforms, the tools required to drive efficiency, eliminate waste, and reduce variation are evolving at an unprecedented pace.

 

To ensure our members remain highly competitive, future-ready, and equipped with the exact capabilities modern enterprises demand, ISSP is proud to announce a comprehensive update to our Yellow Belt, Green Belt, and Black Belt certification standards.

 

Future-Focused, Member-First

This update is designed to make our curricula more relevant, up to date, and aligned with what global industries need today. We are bridges between time-tested Lean Six Sigma frameworks and the cutting-edge tools reshaping industry workflows.

Rather than replacing traditional statistical rigor, we are enhancing it. By embedding modern tools—such as Copilot in Excel, Advanced Process Mining, and Predictive Analytics—directly into our body of knowledge, we are empowering ISSP professionals to execute projects faster, smarter, and with greater enterprise impact.

 

What is Changing? (At a Glance)

Yellow Belt Standard: Shift from manual data tracking to AI-assisted data formatting and voice-of-the-customer sorting using natural language prompts.


Green Belt Standard: Moving beyond basic charting to leverage conversational data modeling and automated workflow diagnostics for accelerated root-cause analysis.


Black Belt Standard: Integrating Python in Excel, digital twins, and autonomous control systems to turn senior practitioners into architects of self-healing operations

 

Maintaining Uncompromised Quality

Innovation is meaningless without integrity. ISSP is firmly committed to maintaining the high quality and academic rigor that makes our certifications respected worldwide.

The updated standards include strict data governance guidelines, prompt-verification protocols, and ethics frameworks. We are not teaching practitioners to blindly trust AI; we are teaching them to audit it, govern it, and use it as a highly reliable tool for statistical validation.

Our core standards remain the same and individuals and organizations can work towards certification against:

  • Lean Six Sigma – Yellow, Green, and Black Belt
  • Six Sigma – Yellow, Green, and Black Belt

If individuals feel they meet the standards outlined below then they are encouraged to apply for membership and certification.  Individuals can apply through the contact page of the website and submit supporting information to justify the level they are applying for.  Yellow and Green Belt certification gives individuals “Membership” level in the ISSP and Black Belt certification gives individuals “Professional” level.

Note, individuals wishing to apply for Professional level membership will need to submit a PDF portfolio of work including a recent DMAIC project, attached their CV, and proof of Black Belt training, including their certificate, course outline and any exam completed.

Individuals which fail to meet these requirements of the ISSP will be invited to join as a “Member” and given feedback on what is required to meet the “Professional” level and the option to resubmit at a later date

ISSP logo on glass

Fellows (Master Black Belts) are invited to join by the ISSP and if you are a member and feel someone you know deserves fellowship recommendation then contact the ISSP.

Potential Profession members are encourage to contact the ISSP directly to request consideration.

There is no additional charge to individuals to gain accreditation at any level if they request accreditation at point of joining. They will be simply charged the fee at the appropriate level requested. Existing members will be charged a second membership fee at the appropriate level if they request certification at a later date or fail to meet the initial requirements of membership.

Companies interested in being certified to deliver qualifications to the standards of the ISSP, and issue ISSP approved certification and membership should first join as an affiliate member and then request application forms to gain accreditation against one of the ISSP standards.

Professional applicants are required to demonstrate skills, knowledge and experience in the following areas:

  • Applicants must have completed at least 2 strategically significant business change projects. Evidence required: Summary of 2 projects in the last 18 months.
  • They must have mentored other individuals within their improvement projects. Evidence required: Summary of mentoring given, and references from at least one person mentored.
  • Completion of formal Black Belt training. Evidence required: Summary of course outline and copies of any certificates issued.

Specifically the applicant must demonstrate a series of competencies which meet the ISSPs Knowledge, Skills and Behaviors outlined in the KSB document in the resource library and in the below link:

ISSP Certified Lean Six Sigma, and Six Sigma, Yellow Belt (AI-Enhanced Standard)

Standard Overview

The ISSP Certified Yellow Belt is a process professional who understands foundational Lean Six Sigma methodologies and leverages entry-level AI tools to accelerate problem-solving. Certified individuals can participate effectively as core improvement project team members and use AI assistants to automate daily data tracking and root-cause mapping.

Typical duration 2 – 3 days

 

Module 1: Lean Six Sigma Fundamentals & The AI Mindset

  • Understand the history, philosophy, and core principles of Lean and Six Sigma.
  • Identify the 8 Wastes (TIMWOODS) in transactional and manufacturing environments.
  • Comprehend the role of the Yellow Belt within the wider project team structure.
  • Understand how AI tools enhance, rather than replace, human problem-solving.
  • Identify secure AI environments (e.g., enterprise-grade Copilot) to protect sensitive company and customer data.

 

Module 2: Define & Measure (AI-Assisted VoC)

  • Create a Project Charter, including problem and goal statements.
  • Define boundaries using SIPOC (Suppliers, Inputs, Process, Outputs, Customers).
  • Understand basic data collection plans.
  • Use generative AI to sort and categorize large volumes of unstructured customer feedback into distinct categories.
  • Leverage Copilot in Excel to clean raw data tables, fix formatting errors, and handle missing values instantly via natural language prompts.

 

Module 3: Analyse (Natural Language Diagnostics)

  • Participate in root-cause analysis using the 5 Whys and Fishbone (Ishikawa) diagrams.
  • Interpret high-level process maps to identify bottlenecks and non-value-added steps.
  • Understand the concept of process variation.
  • Use AI prompts to expand potential root causes during Fishbone drafting sessions.
  • Query Copilot in Excel directly to get instant statistical overviews (e.g., “What is the average, minimum, and maximum cycle time in this dataset?”).
  • Instruct AI to build Pareto charts or histograms automatically from raw data tables without manual charting steps.

 

Module 4: Improve & Control (Smart Visual Management)

  • Understand 5S, Visual Management, and basic mistake-proofing (Poka-Yoke) concepts.
  • Participate in Kaizen events and brainstorming sessions for process improvements.
  • Maintain basic control charts and data tracking sheets.
  • generative AI to quickly draft Standard Operating Procedures (SOPs) based on bulleted project notes.
  • Use Excel tools to set up automated conditional formatting that highlights when metrics breach specific target thresholds.

 

Assessment Criteria

  • Practical Requirement: Candidates must demonstrate the ability to use DMAIC to deliver an improvement project and use simple  AI assistants (like Copilot) to clean a basic dataset and generate a simple analysis such as Pareto charts
  • Optional Exam: 50 multiple-choice questions.

ISSP Certified Lean Six Sigma and Six Sigma, Green Belt (AI-Enhanced Standard)

Standard Overview

The ISSP Certified Green Belt is an advanced process improvement leader who manages scoped projects and configures data systems. This role moves beyond standard statistical software by using Copilot in Excel, natural language data modeling, and automated workflow diagnostic tools to uncover deep root causes and deploy predictive process controls.

Typical duration 5 – 8 days

 

Module 1: Define & Measure (Automated Process Mining)

  • Draft complex Project Charters, calculate Cost of Poor Quality (COPQ), and map stakeholders.
  • Gather voice of the customer (VoC) and translate inputs into Critical to Quality (CTQ) flowdowns.
  • Establish data collection plans, sample sizes, and determine data types.
  • Use automated mapping tools to ingest event logs from IT systems and generate real-time “as-is” process flows.
  • Instruct Copilot in Excel to combine disparate data sources, identify data types, and resolve missing values using natural language.
  • Generate privacy-compliant, statistically sound synthetic datasets to supplement small sample sizes during pilot testing.

 

Module 2: Analyse (Predictive & Conversational Analytics)

  • Perform graphical analysis using box plots, scatter plots, and histograms.
  • Execute hypothesis testing (t-tests, ANOVA, Chi-Square) and evaluate process capability indices (Cp, Cpk).
  • Conduct multi-variable studies to isolate compounding process drivers.
  • Leverage Copilot in Excel to build multiple regression models by typing plain-text queries (e.g., “Predict defect rate using temperature, pressure, and operator shift”).
  • Deploy unsupervised machine learning algorithms to group complex, non-linear process anomalies that traditional sorting misses.
  • Apply prompt-verification protocols to cross-check AI-generated formulas, correlation coefficients, and p-values against statistical logic.

 

Module 3: Improve & Control (Smart Optimization & Early Detection)

  • Apply Lean optimization tools: Kaizen, Single-Minute Exchange of Die (SMED), Kanban, and cell design.
  • Conduct Failure Mode and Effects Analysis (FMEA) to mitigate risks.
  • Design, implement, and monitor Statistical Process Control (SPC) charts.
  • Run “what-if” impact scenarios using AI tools to evaluate proposed workflow modifications before physical deployment.
  • Enhance traditional SPC charts with algorithms that detect subtle, out-of-control trends before a process breach occurs.
  • Connect Excel dashboards to automated scripts that instantly alert supervisors when a process limits breach is imminent.

 

Assessment Criteria

  • Practical Requirement: Deployment of DMAIC project, leading a local team, addressing root causes and delivering both financial and cultural benefit to a team, department or organization.   Utilizing AI techniques to enhance data analysis, problem solving and communication of change
  • Optional Exam Format: 80 multiple-choice questions testing both Lean Six Sigma principles and AI analytics.

ISSP Certified Lean Six Sigma and Six Sigma, Black Belt (AI-Enhanced Standard)

Standard Overview

The ISSP Certified Black Belt, builds on the knowledge of a Green Belt and is a strategic enterprise change agent who leads cross-functional programs and designs complex operational architectures. This standard embeds Python in Excel, Explainable AI (XAI), and autonomous control loops into the core curriculum, changing the Black Belt into an architect of self-healing, data-driven systems.

Typical duration 15 – 20 days

 

Module 1: Define & Measure (Enterprise Digital Twins)

  • Align improvement portfolios with corporate strategic objectives (Hoshin Kanri).
  • Lead large-scale enterprise mapping across global supply chains or business units.
  • Design robust measurement systems and execute complex Gage R&R studies.
  • Architect automated pipelines that ingest unstructured text, video recordings, and machine logs to map entire company workflows.
  • Build LLM-driven agents to continuously scan and index worldwide customer touchpoints for real-time sentiment analysis.
  • Construct a dynamic virtual twin of an operational system to observe enterprise-wide variance continuously.

 

Module 2: Analyse (Advanced Machine Learning & XAI)

  • Conduct complex multi-variable experiments using advanced Design of Experiments (DoE).
  • Execute advanced parametric and non-parametric statistical testing.
  • Lead cross-functional root-cause investigations on systemic organizational failures.
  • Write and execute Python scripts directly in the Excel grid using Copilot to run Random Forest or Gradient Boosting regressions.
  • Apply transparency models (such as SHAP or LIME values) to ensure complex AI outputs are audit-ready and clear to executives.
  • Program virtual agents to interact inside a simulated workflow, predicting exactly where multi-variable bottlenecks will form.

 

Module 3: Improve & Control (Autonomous & Generative Operations)

  • Design for Six Sigma (DFSS) using IDOV (Identify, Design, Optimize, Verify) or DMADV frameworks.
  • Implement robust, company-wide error-proofing (Poka-Yoke) strategies.
  • Maintain Total Productive Maintenance (TPM) environments and complete control plans.
  • Deploy RL algorithms to run millions of automated process adjustments, identifying ideal asset and team configurations.
  • Use AI design tools to auto-generate facility or digital system layouts based on spatial, speed, and safety rules.
  • Implement closed-loop automation systems where live data feeds automatically trigger system corrections without manual human steps.
  • Deploy deep learning survival models to predict precise equipment or software lifecycle thresholds, scheduling maintenance pre-emptively.

 

Assessment Criteria:

  • Practical Requirement: Creation of a portfolio of change, covering the key knowledge, skills and behaviours associated with a black belt professional, including mentoring and coaching others, advance statistical analysis and AI integration.
  • Optional Exam Format:  80 scenario-based questions evaluating advanced statistical methods, AI governance, and code-assisted data operations.

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