Thanos Deliyiannis email address & phone number | Hellenic Telecommunications Organisation IT Services Operations Director of OTE Group IT Service Center contact information - RocketReach
George Kalogeropoulos - Executive Director Information Systems, OTE Group - OTE Group of Companies (HTO) | LinkedIn
Thanos Deliyiannis email address & phone number | Hellenic Telecommunications Organisation IT Services Operations Director of OTE Group IT Service Center contact information - RocketReach
![Aris Katserelis email address & phone number | OTE Group of Companies (HTO) Product Management Senior Manager Fixed and Mobile contact information - RocketReach Aris Katserelis email address & phone number | OTE Group of Companies (HTO) Product Management Senior Manager Fixed and Mobile contact information - RocketReach](https://d1hbpr09pwz0sk.cloudfront.net/profile_pic/aris-katserelis-a141ce42.jpg)