Mari Mantaka is Head of Corporate Communications at Cosmote eValue and Germanos, since January 2023. Prior to that, she was Head of Corporate Communications at Cosmote eValue (2019-2022) and Corporate Communications Manager from October 2016 to 2019. She joined the OTE Group in 2001, where she held several positions in Internal Communication and Public Relations (2004-2016), and prior to that she worked at the Olympics Games Department Athens 2004 and at the Treasury Department of Cosmote. 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 has also earned an accreditation in Project Management (PRINCE2) and apart from her native language Greek, she speaks fluent English, French and Italian.