Supported by the following organizations
This is to certify that Gaël Packer 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 Emeritus of Business Administration Stephen M Ross School of Business
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- Verified Certificate Issued January 30, 2026
- Valid Certificate ID 90094ad958bb4237988788f1dd324382