Lean Six Sigma: Green Belt Certification Project

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Every employee is involved in business processes to create products or services. The causes of decreasing customer satisfaction and increasing quality costs are often unknown, so derived solutions often only address symptoms. Six Sigma methods and tools enable a systematic solution of typical process problems and lead to sustainable operational excellence.

Go from Yellow to Green Belt in this project-based Lean Six Sigma course. With the TUM Yellow Belt, you have mastered the body of knowledge of our Green Belt (according to the American Society for Quality standards). Our Green Belt certification requires the implementation of a Six Sigma project (as recommended by the International Society of Six Sigma Professionals), just as driving experience is necessary to obtain a driver’s license.

To earn the TUM Lean Six Sigma Green Belt certification, you will implement a predefined project on environmental littering. The goal: “Improve the cleanliness of areas around selected places in your hometown and control the sustainability of your measures.” To reach this goal you will drive along the DMAIC, accompanied by a Master Black Belt as co-pilot. The route is determined by our navigation software (sigmaGuide). We will stop at every important sigma tool, which you will then apply in practice and document in a project storybook. This storybook will demonstrate the operational excellence of and in your work.

We will guide you through your improvement project. Each DMAIC phase concludes with a project review by a Lean Six Sigma Master Black Belt. With the feedback on your achieved project results, we keep you on track before you start the next DMAIC phase. You will also participate in weekly live sessions online, where we will discuss the tools and logic of Six Sigma in depth and answer any questions. The e-book for the course, Six Sigma Green Belt Certification Project, is included in the course price.

Green Belt Certification: Learners will be awarded the TUM Lean Six Sigma Green Belt Certification after completing this course and all of its requirements, including:

  • Previous acquisition of the TUM Lean Six Sigma Yellow Belt certificate,
  • Application of the sigma tools (sigmaGuide),
  • Documentation of the results in a project storybook,
  • Five graded reviews of the project storybook along the DMAIC phases,
  • Participation in at least 10 open-online-sessions,
  • Delivery of the completed project storybook and the collected data.


Part 1: Introduction

Introduction to Six Sigma as a company-wide improvement program, based on a structured approach to linking reality, methods and statistics.

Part 2: DEFINE

Identification and definition of a suitable Six Sigma project, structuring the project field in its core process steps (SIPOC), translating Voice of Customer (VoC) and Voice of Business (VoB) to CtQ’s as most important problems (Y), summarized in a Project-Charter for all stakeholders and supplemented by a stakeholder communication plan.


Input-Analysis and Process-Mapping and -Analysis for identifying the triggering influences (x) of the problems (Y). Determination of the relationships between influences (x) and problems (Y) (C&E-Matrix), as the basis for deriving hypotheses. Operationalization of measurands for influences (x) and problems (Y) in a data collection plan, as the basis to collect a sample of corresponding data.


Data evaluation and graphical display of data, representation of the process performance, in control charts and indices of the process capability, test of hypotheses on the differences between problems (Y1 – Yn) and relationships between influences (x) and problems (Y) up to the analysis of root causes (fault tree).


Development and selection of solutions to eliminate, adjust or circumvent the root causes (x´), specification of solutions as measures, detection of their risks (FMEA) and development of countermeasures, hints for implementation.


Data evaluation and graphical display of data, representation of the process performance, in control charts and indices of the process capability, test of hypotheses on the differences (before vs. after), derivation of financial and non-financial benefits of the improvements, development of a Process-Management-Plan to control the improved process.

Part 7: Project Conclusion

Preparation of the lessons learned, completion of the Project-Story-Book and review of this project documentation by our Master Black Belt for certification.

Learning is supported by:

* Videos: Animated application of all DMAIC tools in a sample project (43 lessons, 5:15h)

* sigmaGuide: Software for the implementation of Six Sigma projects (32 tools and charts)

* Methods and tools for process improvement (86 slides with the figures of this book)

* Statistics with Minitab (136 slides)

* Project-Story-Book: PowerPoint template for project documentation (60 slides)

* Project Guideline: Overview poster of all DMAIC phases and tools

* Weekly live online sessions for your questions and exchange with other learners.

* eBook: Hutwelker, R. (2019). Six Sigma Green Belt Certification Project – Identification, Implementation, Evaluation. Springer International Publishing