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professional-certificate

Supported by the following organizations

This is to certify that Georgios Drakoulis successfully completed all courses and received passing grades for a Professional Certificate in Lean Six Sigma Yellow Belt: Quantitative Tools for Quality and Productivity a program offered by TUMx, in collaboration with edX.

Noted by

Martin Grunow

Martin Grunow

Professor of Production and Supply Chain Management Technical University of Munich

Holly Ott

Holly Ott

Professor of Operations Management, Hochschule der Bayerischen Wirtschaft Senior Lecturer, Production and Supply Chain Management Technical University of Munich

  • Professional Certificate Issued January 2026
  • Valid Certificate ID cf25197b174c420ebd078b0595a5aed8

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About edX

edX offers interactive online classes and MOOCs from the world’s best universities, including MIT, Harvard, Berkeley, University of Texas, and many others. edX is an online initiative created by founding partners Harvard and MIT.

About the edX Professional Certificate

An edX Professional Certificate signifies that the learner has completed a group of courses that add up to a rich understanding of an area of study. Completion of Professional Certificate Programs requires that learners earn Verified Certificates from each of the courses included in the Program.