25.9.12
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AL
Alexandrina Lichtenstein
1 Credential
This Is To Certify That
Has Attended And Successfully Completed
Alexandrina Lichtenstein
Digital Marketing: Customer Engagement, Social Media, Planning & Analytics
Bob Halperin
Pierre Yared
November 2022
Academic Director EMERITUS
Vice Dean, Executive Education Columbia Business School
Digital Marketing: Customer Engagement, Social Media, Planning & Analytics
November 23, 2022
Emeritus
