Profile
Michael Kosma Tsamaz is a businessperson who has been at the helm of 9 different companies. Mr. Tsamaz is Chairman & Chief Executive Officer for Hellenic Telecommunications Organization SA, Chairman for OTE International Investments Ltd., Chairman for Telekom Romania Mobile Communications SA, Chairman & Chief Executive Officer at Cosmote Mobile Telecommunications SA, Chairman at Telekom Romania Communications SA, Chairman & Chief Executive Officer for OTE Investment Services SA and Chairman & Chief Executive Officer at Cosmo-Holding Albania SA (which are all subsidiaries of Hellenic Telecommunications Organization SA) and Chairman & Chief Executive Officer for Cosmote Tv Productions & Services SA. Michael Kosma Tsamaz is also on the board of Sev Hellenic Federation of Enterprises, Foundation for Economic & Industrial Research, OTEGlobe SA and German-Greek Chamber of Industry & Commerce. In the past he was Principal at Philip Morris Hellas AS, Principal at Oman Trading Establishment LLC, Chairman & Managing Director at OTE Plc, Principal at Philip Morris Canada and Commercial Director at Vodafone (Greece). Mr. Tsamaz received an undergraduate degree from the University of New Brunswick.
Michael Tsamaz active positions
| Companies | Position | Start |
|---|---|---|
OTE Investment Services SA | Chief Executive Officer | 10/11/2010 |
OTE International Investments Ltd. | Chairman | - |
Cosmo-Holding Albania SA
Cosmo-Holding Albania SA Specialty TelecommunicationsCommunications Provides telecommunication services | Chief Executive Officer | - |
German-Greek Chamber of Industry & Commerce | Director/Board Member | - |
Foundation for Economic & Industrial Research
Foundation for Economic & Industrial Research Investment Trusts/Mutual FundsMiscellaneous Functions as a foundation or endowment | Director/Board Member | - |
Sev Hellenic Federation of Enterprises
Sev Hellenic Federation of Enterprises Miscellaneous Commercial ServicesCommercial Services Operates as a business association | Director/Board Member | 01/07/2016 |
Cosmote TV Productions & Services SA | Chief Executive Officer | - |
OTEGlobe SA
OTEGlobe SA Major TelecommunicationsCommunications Provides voice and roaming services | Director/Board Member | - |
Former positions of Michael Tsamaz
| Companies | Position | End |
|---|---|---|
| HELLENIC TELECOMMUNICATIONS ORGANIZATION S.A. | Chief Executive Officer | 01/07/2024 |
| ░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░░░ ░░░░░░░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░ ░░░░░░ ░░░░░░ ░░ | ░░░░░░░░░ ░░░░░░░░░░░░░░░░░ | ░░░░░░░░░░ |
| ░░░░░ ░░░░░░░░ ░░░░░░░ ░░ ░░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
Training of Michael Tsamaz
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 20 |
|---|---|
Hellenic Telecommunications Organization SA
Hellenic Telecommunications Organization SA Wireless TelecommunicationsCommunications Provides mobile and fixed line telecommunications services | Communications |
COSMOTE Mobile Telecommunications SA
COSMOTE Mobile Telecommunications SA Wireless TelecommunicationsCommunications Provides mobile telecommunication services and equipments | Communications |
Vodafone (Greece)
Vodafone (Greece) Specialty TelecommunicationsCommunications Provides mobile telecommunication services | Communications |
Orange Romania Communications SA
Orange Romania Communications SA Major TelecommunicationsCommunications Provides fixed telecommunications services | Communications |
University of New Brunswick
University of New Brunswick Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
OTE Plc
OTE Plc Miscellaneous Commercial ServicesCommercial Services Provides business support services | Commercial Services |
Philip Morris Canada | |
Philip Morris Hellas AS | |
Cosmo-Holding Albania SA
Cosmo-Holding Albania SA Specialty TelecommunicationsCommunications Provides telecommunication services | Communications |
OTE Investment Services SA | |
Telekom Romania Mobile Communications SA
Telekom Romania Mobile Communications SA Wireless TelecommunicationsCommunications Provides mobile telecommunication services | Communications |
Oman Trading Establishment LLC
Oman Trading Establishment LLC Specialty StoresRetail Trade Operates as a distributor for cars and heavy commercial vehicles | Retail Trade |
Sev Hellenic Federation of Enterprises
Sev Hellenic Federation of Enterprises Miscellaneous Commercial ServicesCommercial Services Operates as a business association | Commercial Services |
Foundation for Economic & Industrial Research
Foundation for Economic & Industrial Research Investment Trusts/Mutual FundsMiscellaneous Functions as a foundation or endowment | Miscellaneous |
Greek American Chamber of Commerce, Inc.
Greek American Chamber of Commerce, Inc. Miscellaneous Commercial ServicesCommercial Services Chamber of Commerce | Commercial Services |
OTEGlobe SA
OTEGlobe SA Major TelecommunicationsCommunications Provides voice and roaming services | Communications |
EE Ltd.
EE Ltd. Major TelecommunicationsCommunications Provides mobile network and fiber broadband services | Communications |
OTE International Investments Ltd. | |
German-Greek Chamber of Industry & Commerce | |
Cosmote TV Productions & Services SA |
- Stock Market
- Insiders
- Michael Tsamaz
















