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John Konstantinidis
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Communications
Profile
John Konstantinidis worked as the Chief Strategic Planning & Transformation Officer at Hellenic Telecommunications Organization SA.
Former positions of John Konstantinidis
| Companies | Position | End |
|---|---|---|
| HELLENIC TELECOMMUNICATIONS ORGANIZATION S.A. | Corporate Officer/Principal | - |
Experiences
Positions held
Active
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Listed companies
Private companies
Linked companies
| Private companies | 1 |
|---|---|
Hellenic Telecommunications Organization SA
 Hellenic Telecommunications Organization SA Wireless TelecommunicationsCommunications Provides mobile and fixed line telecommunications services | Communications |
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