Maria Rontogianni — Senior Vice President of Group Audit, Risk Management & Insurance at Deutsche Telekom AG

Mrs. Maria Rontogianni has been Senior Vice President of Group Audit, Risk Management & Insurance at Deutsche Telekom AG since June 01, 2016. Mrs. Rontogianni served as an Executive Director Internal Auditor of Hellenic Telecommunications Organization SA (also known as OTE Group) until June 1, 2016 and served as its Chief Internal Audit Officer since September 7, 2009. She has worked in the auditing (in various industries), regulatory and consulting fields for fifteen years. She started off her career with the National Future Association, the independent regulatory authority for US time deposit transactions and options. Mrs. Rontogianni moved to investment banking, where she dealt with emerging markets, foreign exchange and goods market, as Vice President of JP Morgan (New York) and later on for the private bank JPM. Upon returning to Athens, Mrs. Rontogianni worked as consultant for Andersen Consulting before assuming the position of Internal Auditor at Lamda Development (a member of the Latsis Group of companies), a listed company in the Athens Stock Exchange, which operates in the real estate market. At Lamda Development, Mrs. Rontogianni monitored projects and procedures related to the development of the real estate market. During her last-held position (before OTE) as Chief Internal Audit and Revenues Assurance Officer at WIND Telecommunications, she headed the Internal Audit department and developed the procedures and tools necessary for Risk Management and Revenues Assurance. Throughout her career she has been involved with the recruitment and development of human resources. Mrs. Rontogianni holds a BA in Public Accounting and Marketing from Fordham University, New York.