25.9.2
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EC
Elvira Christiansen
1 Credential
Columbia Business School Executive Education
hereby recognizes that
Elvira Christiansen
has participated in:
June 2023
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Finance and Accounting for the Nonfinancial Professional (Online)
Finance and Accounting for the Nonfinancial Professional (Online)
July 10, 2023
Emeritus
