25.10.20
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Rositsa Tancheva
1 Credential
Columbia Business School Executive Education
hereby recognizes that
Rositsa Tancheva
has participated in:
November 2022
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Digital Marketing Intensive (Online)
Digital Marketing Intensive (Online)
November 24, 2022
Emeritus
2 more credentials
1 more issuer
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