





Ιn her 30-year professional career in Greece and abroad, she has held several CEO and senior management positions, at among others, NN Hellas where she also managed the acquisition and merger of Metlife in Greece, National Bank of Greece, Eurobank, Inchcape Hellas Group, Credit Agricole Indosuez Luxembourg and Honeywell Europe Brussels. During her diverse experience she achieved significant profitability and growth while transformed the operating model and corporate culture focusing on people, governance, customer experience, innovation, technology and digitization.
Marianna Politopoulou is an Independent Non-Executive member of the BoD of Gr.Sarantis, of ERB Cyprialife/ERB Asfalistiki in Cyprus and Cyprialife Greece and is a Non-Executive member of the BoD of HDBI.
She also sits on the boards of Junior Achievement Greece, The Wharton Club of Greece, the Hellenic-Dutch Association of Commerce & Industry and is a member of the Leadership Committee of the American – Hellenic Chamber of Commerce.

Dr. Samara has extensive professional experience in accounting, financial reporting, and auditing supervision. She currently serves as Independent Non-Executive Chair of the Board of Directors of PPA S.A. and Chair of its Remuneration and Nominations Committee. She is also an independent non-executive member of the Board of Directors and a member of the Audit Committee of Alpha Real Estate Services S.A. and AlphaLife AAEZ, as well as a member of the Board of Directors of Dotsoft S.A.
In addition, she is a member of the Quality Control Committee of the Greek Institute of Certified Public Accountants (SOEL). She served for ten years as a member of the Quality Control Council (SPE) of the Accounting Standardization and Auditing Committee (ELTE), participated as an expert in a European twinning programme on accounting and auditing standards and corporate governance, and contributed to the working group of the General Accounting Office of the State for the development of a new Chart of Accounts for the General Government. She is currently Chair of the SOEL Examination Committee responsible for the Professional Examinations of Certified Public Accountants.
Dr. Samara has also participated in ELTE working groups for the transposition of Directive (EU) 2022/2464 on corporate sustainability reporting (Corporate Sustainability Reporting Directive – CSRD) and has attended specialized seminars organized by the Committee of European Auditing Oversight Bodies (CEAOB) on sustainability reporting assurance. She regularly participates in national and international accounting and auditing conferences. Her research interests include financial reporting, International Financial Reporting Standards (IFRS), accounting and auditing, audit committees, and ESG. Her research has been presented at international academic conferences and published in well-regarded scientific journals.

Mrs. Gren serves as a non-executive director with mBank S.A. and served as a non-executive director with Erste Bank Hungary. She holds a MSc degree from London School of Economics and BA from University of British Columbia. She has completed a number of organizational leadership, ESG and negotiations programs at Harvard Business School, Center for Leadership and Stanford Graduate School of Business.
She is the winner of the Goldman Sachs & Fortune Global Women Leaders Award in the US in 2018. In 2019, Mrs. Gren was named Global Ambassador and mentor by Bank of America for the BoA’s Global Ambassadors Program advancing women’s economic empowerment. In 2016 and 2018, she was recognized by London-based Banking Technology Awards and FemTech Leaders in Top 10 women in technology. Invited to the Fortune Most Powerful Women-US Department of State Global Mentoring Partnership in 2015 pairing international women leaders with Fortune 500 women CEOs in the US. Awarded the “Business Personality of 2021” by the Federation of Polish Entrepreneurs. A committed supporter of mentoring and leadership empowerment programs with Vital Voices, US-based women leadership NGO and UK-founded 30% Club through her role as the co-Chair of 30% Club Poland.
Executive Committee.
The Executive Committee, is the highest advisory and supervisory body of the Company, ensuring the business is efficiently run and delivers sustainable growth.

