25.9.28
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Natalia Spirina
1 Credential
Columbia Business School Executive Education
hereby recognizes that
Natalia Spirina
has participated in:
November 2023
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Digital Marketing Intensive (Online)
Digital Marketing Intensive (Online)
January 4, 2024
Emeritus
2 more credentials
1 more issuer
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