25.9.2
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AB
Alyson Barnes
1 Credential
This Is To Certify That
Has Attended And Successfully Completed
Alyson Barnes
Digital Marketing: Customer Engagement, Social Media, Planning & Analytics
Bob Halperin
Pierre Yared
July 2022
Academic Director EMERITUS
Vice Dean, Executive Education Columbia Business School
Digital Marketing: Customer Engagement, Social Media, Planning & Analytics
July 25, 2022
Emeritus
