25.14.1
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GH
Gayl Hyde
1 Credential
April 24-June 26, 2025
Gayl Hyde
Digital Marketing (Online)
Columbia Business School Executive Education hereby awards the
Certificate of Participation
For
To
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Digital Marketing (Online)
June 27, 2025
Emeritus
