Lean Six Sigma - Green Belt

Training, coaching and certification program

To support performance improvement within an organization, people need to be trained in a systematic problem solving methodology and tools. Lean Six Sigma (LSS), a World class problem solving approach, is a valuable toolbox for improving processes. We can help implementing this approach in your organization, deliver training and certification to all levels and also certify and coach the teams that perform projects. This is our general training and certification program for Lean Six Sigma Green Belt.

Learning objectives

  • Understand and apply the Lean Six Sigma problem solving methodology and tools
  • Develop new skills to identify and eliminate waste and process variability
  • Apply the LSS methodology and tools to execute an improvement project that results in significant benefits for the organization

Target competencies

  • Problem solving
  • Lean Thinking
  • Project management
  • Statistical thinking

Program features

  • In person or virtual sessions
  • Duration: 50 to 80 hours (depending on the topics to be covered); typically 2 weeks
  • During the training, each participant must apply the tools on a real problem he/she faces at work
  • Each participant must realize a process improvement project and attend the training sessions. The participant receives 1-on-1 coaching sessions throughout the project duration
  • To be certified, participants must successfully finish 1 supervised project and obtain at least 70% in a 2-hours exam by Différence


  • Introduction to Lean Six Sigma
  • Surface and leadership wastes
  • Voice of the Customer and critical variables tree
  • Project Charter


  • Data types and graphical data analysis
  • Pareto analysis
  • Capability analysis
  • ImR control chart & change point analysis
  • Process mapping & turtle diagram
  • Sequence of events analysis
  • Measurement validity assessment


  • Kaizen Blitz and the 6P of efficient planning
  • Brainstorming-Affinity-Fishbone (BAF)
  • 5 Whys, problem reversal, 10-4 classification
  • T-test, paired T-test, ANOVA, power and sample size
  • Correlation, simple linear regression
  • Prioritization matrix


  • Design of buffers for variability
  • Lean toolbox: 5S, SMED, Kanban, Standard Work, Poka Yoke
  • 6 Thinking hats and Conflict resolution
  • One factor trials: design and analysis
  • Action plan


  • KPI evaluation
  • Visual control and Routines
  • FMEA
  • Simplified Control Plan

This Lean Six Sigma Green Belt training and certification program can be adapted to specific client needs. Contact us to explore the possible adaptations to your context.

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