Mari Mantaka

Mari Mantaka has a diverse work experience in corporate communications, primarily in the telecommunications industry. Mari is currently serving as the Head of Corporate Communications at Cosmote e-Value & Germanos since 2023. Prior to that, they held various positions within the OTE Group of Companies (HTO) from 2003 to 2016, including Internal Communication Senior Specialist and Public Relations & Internal Corporate Image Senior Specialist at Cosmote. Mari'sexperience also includes serving as the Hospitality Communications for the Athens 2004 Olympic Games.

Mari Mantaka attended multiple educational institutions and obtained various certifications throughout their career. Mari pursued a degree in Digital Marketing Analytics from the Massachusetts Institute of Technology, completing their studies in 2019. Prior to that, they earned a Master of Science (MSc) in Management Studies from Brunel University London between 1999 and 2000. Mari Mantaka also holds a Bachelor of Science (BSc) in Political Science & International Studies from Panteion University of Social and Political Sciences, which they obtained from 1994 to 1998. In addition to their formal education, Mari Mantaka has obtained certifications such as "Communicating Internally during Times of Uncertainty," "Creating a Communications Strategy," "Creativity at Work: A Short Course from Seth Godin," "The Secret to Better Decisions: Stop Hoarding Chips," and "PRINCE2® Foundation and Practitioner Certification Training."