THIS IS TO CERTIFY THAT
MELTEM ÖNAL SERTKAYA
HAS ATTENDED AND SUCCESSFULLY COMPLETED
LEADERSHIP: PEOPLE, TEAMS AND ORGANIZATIONS
27 SEPTEMBER 2021 - 10 JANUARY 2022
Bob Halperin
Pierre Yared
Academic Director
EMERITUS
Vice Dean, Executive Education
Columbia Business School
MELTEM ÖNAL SERTKAYA
Objectives and Key Results (OKRs) and Cultural Change
Issued on
January 21, 2022
Expires on
Does not expire