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IxDF Book Author distinction: Published a book or book chapter
Siegen, Germany
Marc Hassenzahl
Professor at University of Siegen
The Interaction Design Foundation (IxDF) hereby certifies that the Membership Certificate (ID #LJ4w1z1qs) has been issued to Marc Hassenzahl in formal recognition of their membership of the Interaction Design Foundation.
This document serves as the official record of the above credential. Third parties may reference the certificate ID to verify its authenticity. The Interaction Design Foundation maintains permanent records of all credentials issued.
Siegen, Germany
Marc Hassenzahl
Professor at University of Siegen
Share this permanent link to verify the authenticity of this credential:
https://ixdf.org/members/marc_hassenzahl/certificate/membership
Distinctions are conferred upon Marc Hassenzahl in formal recognition of their notable
achievements and
contributions, as stipulated by the IxDF Educational
Codex.