25.10.0
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KY
Karen Yau
1 Credential
Columbia Business School Executive Education
hereby recognizes that
Karen Yau Ostensjo
has participated in:
November 2022
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Columbia Management Essentials (Online)
Columbia Management Essentials (Online)
November 30, 2022
Emeritus
1 more credential
1 more issuer
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