Certificate
President
Stefan Osthaus
Issue date
The Customer Institute on the nomination of the Leadership Team and the
recommendation of the Board of Directors hereby certifies for

Validate Certificate:
Hüseyin Güneş Yusufoğlu
05/13/26 11:40AM
the status of Certified Assessor for the
Customer Institute Assessments

ci-cert.org/A2409
Distributed by:
HSG

Issued to

Hüseyin Güneş Yusufoğlu

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Credential Verification

Issue date: May 13, 2026

ID: ea2f2423-3d03-48d3-9ed2-f5d06b868ba2

Issued by

Customer Institute

The Customer Institute is a not-for-profit, global organization whose mission is to be the go-to source for B2B, B2C, and public-sector organizations to excel through customer centricity.

Description

The holder of this certificate is trained to perform Customer Institute Assessments of Customer Centricity, Employee Centricity, or Customer Support Maturity. On passing thresholds, assessed organizations earn Customer Institute certification.