25.13.10
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Harold Van Der Horst
1 Credential
Columbia Business School Executive Education
hereby recognizes that
Harold van der Horst
has participated in:
February 2023
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Digital Marketing Intensive (Online)
Digital Marketing Intensive (Online)
March 15, 2023
Emeritus
1 more credential
1 more issuer
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