Defne Isler
CEI Secretary General
Issue Date
2026-10-20
COMMERCIAL EXCELLENCE
This is to certify that
Through rigorous study, demonstrated knowledge, and practical application of Commercial Excellence principles and methodologies, has successfully completed all requirements for the
ACCES President
This certificate has been issued by the Commercial Excellence Institute (CEI), an ACCES-accredited agency under registration number 2024062103a
valid through September 2028
PASSED WITH HIGH DISTINCTION
GREEN BELT CERTIFICATION
DI
Issued to
Defne Isler
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ORDER
Credential Verification
Issue date: October 20, 2026
ID: 5bbc3c3d-50ce-436d-a778-2c46a39173fb
Issued by
ACCES
Accreditation Council for Commercial Excellence Standards
Description
No information provided for this award.