Athanasios (Tom) Stratos
He serves also as Chief Customer Operations Officer, OTE Group, since 2018. He joined the Group in 1998 and since then occupied several senior managerial positions with his last position before his existing role, that of Executive Director Customer Services, OTE Group, from 2014 to 2018. Mr. Stratos has extensive Commercial experience specifically in the areas of Sales, Retail, Care and Customer Experience in the telecoms sector, having worked in large companies in Greece and Canada. Mr. Stratos holds a degree in Business Administration from Ryerson University in Toronto, Canada.
Before joining Cosmote e-Value, Mr Kardaris worked mainly at the telecommunications sector, at Germanos as Fixed, Mobile Telephony & Internet Shops Service Director (2000-2005), prior to that, at the Customer Care Department of Cosmote (1997-2000) and at the Financial Department of Panavox (subsidiary of Panafon, later Vodafone).
Mr Kardaris holds a B.A. in Economics, from Deree College (American College of Greece).
She has more than 15 years of experience in sales and customer service, as she also worked for Lamprakis Press Group, before joining Cosmote e-Value. Mrs Pantazi holds a B.A. in Marketing & Management, from Deree College (American College of Greece).
Panagiotis holds a Master’s Degree in Operational Research from Lancaster University, a Bachelor’s Degree in Business Administration from the University of Macedonia, Greece, and is certified in Change Management from Henley Business School.
Prior to joining Cosmote e-Value in December 1999, Efi served as Information Technology Manager at a Multinational Company member of Athens Stock Market. In this role, Efi led a specialized team that provided production and project support for networks, telecommunications, and applications. Supported vastly different infrastructure and application environments. Project manager for CRM solution for organization spanning multiple locations Network management.
He has an MBA with specialization in Sales Management and a BA with specialization in Marketing from Athens University of Business and Economics and Erasmus University of Rotterdam and he is completing his postgraduate studies in Management Information Systems with specialization in Business Data Analysis.
She holds a Diploma in Digital Marketing Analytics from M.I.T. – Massachusetts Institute of Technology (Sloan School of Management). She also holds an M.Sc. in Management Studies (major in Marketing Management) from Brunel University, London and a Bachelor’s degree in Political Science & International Studies from Panteion University Athens. She also earned an accreditation in Project Management (PRINCE2) and apart from her native language Greek, she speaks fluent English, French and Italian.