25.12.4
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YL
Yunsi Li
1 Credential
THIS IS TO CERTIFY THAT
ATTENDED AND COMPLETED
Yunsi Li
Digital Marketing: Customer Engagement, Social Media, Planning & Analytics
Bob Halperin
Pierre Yared
July 2021
Academic Director EMERITUS
Vice Dean, Executive Education Columbia Business School
Digital Marketing: Customer Engagement, Social Media, Planning & Analytics
August 4, 2021
Emeritus
