Supported by the following organizations
This is to certify that Ana Díaz Castosa 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 April 12, 2025
- Valid Certificate ID 5543a8f4b88e4c9c8c0d5d3064b6e11b