Efstathios Tsotsoros, Chairman of BoD and CEO, Executive Board Member


He is an Electrical-Mechanical Engineer from NTUA, graduate Economist of the Department of Economics at the University of Athens, and an Emeritus Professor of Panteion University on Economic Development and Social Transformation. He served as a member of the Council and the Senate of the University and he was Director of the Postgraduate program, as well as of the Economic and Social Research Centre, the Department of Sociology.

He has particularly important and extensive experience in senior management positions in both public and private sectors as well as in local government. He has served as Director of PPC, Board Member and CEO of the Business Reconstruction Organization, Vice President and General Manager of the Athens Regulatory Plan & Environmental Protection Organization, as a Board Member and CEO of various companies in the private sector and Founder, Chairman and CEO of the Alpha Broadcasting Group. He has also advised the Minister of Energy, the Mayor of Athens, the President of the Greek Technical Chamber and has occupied the post of Chairman of the Technical Chamber of Greece and Chairman of the Program Agreements and Development Contracts Committee.

He has participated in research projects and in the preparation of technical and economic studies, major investment projects, as well as national and regional development programs. His scientific research has been published by the Educational Institutions of the National Bank of Greece, by Commerce and Piraeus Banks, as well as the National Research Foundation and Papazisis Publications.

Andreas Shiamishis, Deputy Chief Executive Officer and Chief Financial Officer, Executive Board Member


Holds an Economics degree specialising in Econometrics from the University of Essex, UK, and is a Fellow (F.C.A.) member of the Institute of Chartered Accountants in England and Wales.

He began his career in 1989 working for KPMG Certified Auditors and Advisers in London where he specialised in the banking sector and in organization and strategy for large multinational groups. From 1993 to 1999, he worked as a manager of the DIAGEO Food and Beverages Group in European markets, with positions of responsibility in finance and strategy. In Greece, he held the position of Chief Financial Officer at METAXA until 1998, and later went on to become Regional Finance and Business Development Director with responsibility for the Middle East and North Africa for Pillsbury Group (part of DIAGEO).

From 2000 to 2002, he worked as Chief Financial Officer and Chief Restructuring Officer in a LEVENTIS Group listed company before joining PETROLA HELLAS in 2003 where he worked as Chief Financial and IT Officer.

Following PETROLA’s merger with HELLENIC PETROLEUM in 2004, he was appointed Group Chief Financial Officer and a Member of the Group's Executive Committee, and from 2014 to 2015, he became Deputy Chief Executive Officer of the Group, a post he took over once again in June 2017. He is an active participant on various ICAEW committees in Greece and abroad, is a member of the Economic Chamber of Greece, the Corporate Governance Committee of the Hellenic American Chamber of Commerce and various Hellenic Federation of Enterprises committees.

Georgios Alexopoulos, General Manager Group Strategic Planning & Joint Ventures, Executive Board Member


As General Manager of Strategic Planning and Joint Ventures Participation for HELLENIC PETROLEUM Group, he is responsible for strategic planning, new business development, Renewable Energy Sources, the Group’s representation in international organizations as well as the management of strategic projects and joint ventures (DEPA/DESFA and Elpedison). He has been a member of the Board of Directors of the European Petroleum Refiners Association as a regular or alternate member since 2012, and has worked for HELLENIC PETROLEUM Group since 2007.

He held the position of Director of Strategic Planning and Development in an international group of companies (SETE S.A.) based in Geneva, Switzerland, from 1998 to 2006, where he was responsible for overseeing the Group's energy portfolio.

Previously, he worked for a number of technical and executive positions at companies including Stone & Webster, Molten Metal Technology, Merck, Dow Corning and Dow Chemical in the United States between 1993 and 1997.

He holds an MBA degree (1998) from the Harvard Business School and an M.Sc. (1993) and B.Sc. (1992) in Chemical Engineering from the Massachusetts Institute of Technology (MIT).

Ioannis Psychogios, General Manager Group Supply, Refining & Sales, Executive Board Member


Chemical Engineer graduated from the National Technical University with a master in Business Administration. He began his professional career in 1985 at the Aspropyrgos Refinery as a Production Engineer. After his placements throughout the administrative hierarchy, in 2003 he became the Refinery Manager. During the period 2005-2008, he was CEO of OKTA in Skopje, and from 2008 to 2010 he served as Director of Organisation and Development for the Group's refineries. He served as CEO of the Group’s subsidiaries EKO and HELLENIC FUELS. He is General Manager of Group Supply, Refining and Sales.

I. Apsouris , General Manager Group Legal Services


Attorney at Law, qualified to plead before the Supreme Court, holds a Law degree from the Athens University and a Master’s Degree (DEA) from the University of Aix- en- Provence, France.

He was a partner at “Dryllerakis & Associates Law Firm”, handling cases of corporate, commercial and civil law. He is Chairman of the Board of ELPET BALKANIKI S.A. and VARDAX S.A, Group’s subsidiaries, he serves on the Boards of three other Group subsidiaries and is a member of the Supervisory Board of DESFA SA. He speaks Engligh, French, Spanish and Italian.

Y. Grigoriou , General Manager Oil & Gas Exploration & Production


He is a mining engineer (NTUA) and Geophysicist (MSc Applied Geophysics, University of Leeds, UK), with 36 years of experience in oil industry. He began his carrier as geophysicist at DEP S.A. (at 1982) and gradually specialized in upstream exploration, undertaking various managerial positions.

Since 1998 he has been working in HELLENIC PETROLEUM, initially at Group strategic planning and development of new activities sector and then, from 2005 until today, in the field of E&P, passing from all levels of management. He served as advisor to EU Commission on energy strategy and evaluation of research proposals, as well as a Board member of the Group’s marketing subsidiaries and of he is Managing Director of HELPE Upstream and HELPE Patraikos subsidiaries. He also serves as the elected Deputy Chairman of the Scout Group's BoD of 76 oil companies operating in exploration and production of hydrocarbons in Central-Eastern Europe & Caspian (CEEC Scout Group).

R. Karahannas , General Manager Domestic & International Retail


An economist specialized in Finance and Accounting. A Fulbright scholar, he studied in the United States and holds a post graduate degree in Business Administration (MBA) from Lehigh University, Pennsylvania. He is a member of ΦΒΚ (Phi Beta Kappa), ΒΓΣ (Beta Gamma Sigma) and ΒΑΨ (Beta Alpha Psi) honorary societies. A Certified Public Accountant (CPA), he is a member of the AICPA (American Institute of Certified Public Accountants) with extensive experience in management positions in several sectors of the economy such as financial information, maritime and energy. He worked in Cyprus as an auditor for Coopers & Lybrand (now PricewaterhouseCoopers). In 1995 he moves to Greece as an Area Finance Manager for Dow Jones Telerate, where he also held the position of the President of the Board of Directors. In 2001 and for the next 5 years, he works in the marine sector for Royal Olympic Cruises and Capital Maritime & Trading. Since 2006 he works for the HELLENIC PETROLEUM Group, originally as the Group Controller, later as the Finance General Director of EKO ABEE, and the Retail Finance Manager. Today he is the General Manager of Domestic and International Retail for the HELLENIC PETROLEUM Group and Vice Chairman –President from 01/08/2018- at the Hellenic Petroleum Marketing Companies Association (SEEPE). He participates actively on several BoD’s of HELLENIC PETROLEUM companies in Greece and abroad as well as on a number of group committees regarding investments, credit assessment and remuneration.

A. Kokotos , General Manager Group Internal Audit


A chemical engineer, with a Master’s degree in Business Administration. He initially worked as an Engineer in Handling and Losses Dept. at the Aspropyrgos Refinery. He served for five years respectively, as General Manager of Group Human Resources & Administrative Services of the HELLENIC PETROLEUM Group and DEPA, as well as Chairman of DIAXON SA.

C. Panas , General Manager Supply & Trading


Chemical engineer from the National Technical University of Athens. He originally worked at the Thessaloniki refinery and DEP SA. Later, he assumed managerial positions at the fields of Corporate Planning and Supply & International Trading.

P. Petroulias , Managing Director EKO S.A.


He holds a Finance degree (BSc) from the University of Piraeus. He served as CEO of the Data Concept Group of companies. For more than 11 years, he was Financial and Administrative Director of the Bitros Holdings Group, listed on the ASE. From 1985 until 1998 he was Financial Executive Member of EKO S.A. and HELPE S.A. He was advisor to many large private companies for mergers, acquisitions, valuations and divisions. Since November 2015, he has been Managing Director of EKO S.A., a marketing subsidiary of HELLENIC PETROLEUM Group.

St. Psyllaki , General Manager Group Human Resources & Administrative Services


She holds a Bachelor Degree from the Faculty of Political Science and Public Administration/School of Economics and Political Science of the National & Kapodistrian University of Athens, as well as an MBA. She started her professional career at the Aspropyrgos Hellenic Refinery in 1985 and continued in the HELLENIC PETROLEUM Group until today. During this period, she gained experience in executive positions of responsibility in all fields of Human Resources of the HELLENIC PETROLEUM Group, in Greece and abroad. After passing all levels of the hierarchy, in October 2015 she was appointed General Manager of Group Human Resources and Administrative Services. She has significant experience and expertise in Human Resources Management, on issues of policies and systems, labour relations, organizational development and education, performance evaluation, etc. She is a member of the Hellenic Economic Chamber.