25.10.5
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Katja Gagen
1 Credential
Columbia Business School Executive Education
hereby recognizes that
Katja Gagen
has participated in:
February 2023
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Chief Marketing Officer Program
Chief Marketing Officer Program
March 22, 2023
Emeritus
3 more credentials
2 more issuers
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