Supported by the following organizations
This is to certify that Athanasios Koltsidas successfully completed and received a passing grade in SN401x: Successful Negotiation: Essential Strategies and Skills a course of study offered by MichiganX, an online learning initiative of the University of Michigan.
Noted by
George Siedel
Williamson Family Professor of Business Administration Thurnau Professor of Business Law Ross School of Business, University of Michigan
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- Verified Certificate Issued March 9, 2023
- Valid Certificate ID 418f4f80200a4dd3adb88029cd7c9f03