25.14.29
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Konstantin Guratzsch
1 Credential
Columbia Business School Executive Education
hereby recognizes that
Konstantin Guratzsch
has participated in:
Digital Marketing Intensive (Online)
November 2023
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Digital Marketing Intensive (Online)
December 7, 2023
Emeritus
1 more credential
1 more issuer
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