25.10.20
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EW
Erika Walker
3 Credentials
This Is To Certify That
Has Attended And Successfully Completed
Erika Walker
Digital Marketing: Customer Engagement, Social Media, Planning & Analytics
Bob Halperin
Pierre Yared
September 2022
Academic Director EMERITUS
Vice Dean, Executive Education Columbia Business School
Digital Marketing: Customer Engagement, Social Media, Planning & Analytics
October 4, 2022
Emeritus
COLUMBIA BUSINESS SCHOOL EXECUTIVE EDUCATION
hereby recognizes that
Erika Walker
has participated in:
July 2022
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Customer Experience Strategy (Online)
Customer Experience Strategy (Online)
August 17, 2022
Emeritus
COLUMBIA BUSINESS SCHOOL EXECUTIVE EDUCATION
hereby recognizes that
Erika Walker
has attended and completed
September 27 - March 10, 2022
Costis Maglaras
Dean and David and Lyn Silfen Professor of Business
Chief Marketing Officer
Chief Marketing Officer
May 13, 2022
Emeritus
3 more credentials
1 more issuer
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