Hellenic Telecommunications Organization SA - Company Profile
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The following section provides information on Hellenic Telecommunications Organization SA’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Hellenic Telecommunications Organization SA's management and employees, unlock the full data with our company analytics monitoring tool.
Executives
Kostas Nebis
Chief Executive Officer; Chairman Executive BoardMr. Kostas Nebis has been the Chief Executive Officer of the company since 2024. Previously, he served as the Chief Executive Officer and President of the Management Board of Hrvatski Telekom from April 2019 until June 2024. Prior to this, he was the Chief Commercial Officer Consumer Segment of the OTE Group and has also served as Marketing Director at COSMOTE. Earlier, he served in numerous managerial positions in Marketing & Sales, in multinational companies from the telecommunication and non-alcoholic drinks sectors.
Charalampos Mazarakis
Director; Chief Financial Officer Executive BoardMr. Charalampos Mazarakis has been the Chief Executive Officer of Telekom Romania Mobile Communications since May 2023. He also served as the Chief Financial Officer and a Director of the company since 2012. Prior to this, he served as Group Chief Financial Officer of the National Bank of Greece. He served as Group Chief Financial Officer and Member of the Group Executive Committee of TITAN Cement Company from 2008 to 2010. Mr Mazarakis served in various executive positions in Vodafone Group from 1999 to 2008.
Elena Papadopoulou
Chief Human Resources Officer Senior ManagementMs. Elena Papadopoulou has been the Chief Human Resources Officer of the company since March 2011. Previously, she served as the Human Resources Director. Earlier, she was served as the Human Resources General Director of COSMOTE. Prior to this, Ms. Papadopoulou worked in the Financial Division of Shell Hellas SA, and Human Resources Manager at Kraft Foods International.
Stefanos Theocharopoulos
Chief Technology and Operations Officer Senior ManagementMr. Stefanos Theocharopoulos has been the Chief Technology and Operations Officer of the company since April 2013. Previously, he served as the Chief Executive Officer of COSMOTE Romania and Chief Executive Officer of Romtelecom from July 2011 to 2013. He has also held the position of OTEGlobe Business Development Executive Director and OTE Investment Services Executive Technology Director of OTE Group subsidiaries.
Athanasios Stratos
Chief Customer Operations Officer Senior ManagementMr. Athanasios Stratos is the Chief Customer Operations Officer of the company. Previously, he served a number of managerial positions in OTE Group in the areas of sales and customer service. Mr. Stratos has extensive experience in commercial, Sales and Service in the telecoms sector and Business Process Outsourcing.
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