25.9.15
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ST
SANDRA THOMAS
2 Credentials
This is to certify that
Sandra Thomas
has successfully completed the
in witness thereof this certificate is presented in
Executive Presence and Influence: Persuasive Leadership Development
Patti Williams,
Vice Dean, Aresty Institute of Executive Education The Wharton School, University of Pennsylvania
March 2025
Executive Presence and Influence: Persuasive Leadership Development
March 20, 2025
Emeritus
THIS IS TO CERTIFY THAT
HAS ATTENDED AND SUCCESSFULLY COMPLETED
SANDRA THOMAS
DIGITAL MARKETING: CUSTOMER ENGAGEMENT, SOCIAL MEDIA, PLANNING & ANALYTICS
Bob Halperin
Janet Horan
MARCH 2020
Academic Director EMERITUS
Vice Dean of Administration and Chief Operating Officer Columbia Business School
DIGITAL MARKETING: CUSTOMER ENGAGEMENT, SOCIAL MEDIA, PLANNING & ANALYTICS
April 21, 2020
Emeritus
