The parent company, HELLENIC PETROLEUM S.A., is, either directly or indirectly, the sole or majority shareholder in the subsidiaries and associated companies, also controlling the management. Each company of the Group has its own board of directors and management structure, however investment plans, financial management and annual budgets are all controlled centrally by the parent company. Subsidiaries and associated companies submit their results to the parent company.

HELLENIC PETROLEUM S.A. is governed by a 13-member Board of Directors.




He was born in Athens in 1954. He holds a degree in Electrical Engineering from the National Technical University of Athens.

Until 2002, he was Chairman and Managing Director of “J.D. Papathanassiou S.A.”, a company engaged in the trading of technological equipment for buildings.

His political career started in 2000 when he was first elected as a Member of the Greek Parliament, with the New Democracy party. He was re-elected in 2004, 2007, 2009 and in May 2012. He served in several posts:  

  • From March 2004 to September 2007, he was Deputy Minister of Development for Commerce and Consumers’ issues, while in 2005 he was also assigned the Research and Technology issues of the Ministry.
  • From September 2007 to January 2009 he was Deputy Minister of Finance and Economy for Investments and Development.
  • From January to October 2009 he was Minister of Finance and Economy.

He was Secretary General of the Athens Chamber of Commerce and Industry (ACCI) for six years (1987-1993) and President of the ACCI for seven years (1993-2000). 

In 1993, he was appointed Vice Chairman of the BoD of Public Gas Corporation (DEPA) S.A., while in 1991-1992 he was advisor to the Minister of Industry on energy issues.

He chaired the BoD of HELLENIC PETROLEUM S.A. during the period 27/2/2014 – 4/5/2015.

He speaks English, French and German.



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

He began his career in 1989 in the Banking and Financial Services practice of KPMG in London. From 1993 to 1998 he worked initially as executive and subsequently as the Finance and Customer Services Director in ΜΕΤΑΧΑ, member of the Diageo International Group of food and beverages.

In 1998 he took over as the Regional Finance and Business Development Director, with the responsibility for the areas of the Middle East and North Africa, of Pillsbury (group Diageo).  The period from 2000 to 2002 he worked as Chief Financial Officer in a listed company of LEVENTIS Group interests, while in 2003 he was hired as Chief Financial and IT Officer at Petrola Hellas.

After the merger of Petrola Hellas with Hellenic Petroleum, in 2004 he took over as Chief Financial Officer of the Group and member of the Group’s Executive Committee. He is a member of the Hellenic Chamber and of the Corporate Finance Faculty of the ICAEW.




He is responsible for strategic planning, new business development, management of strategic projects and participations, the renewables business, and the Group’s representation in international organizations.  He has represented Hellenic Petroleum on the Board of the European Petroleum Refiners Association as a Principal or Alternate Director since 2012.  He joined Hellenic Petroleum in 2007.

George Alexopoulos was Director of Business Planning & Development at an international, diversified business group (SETE S.A.), based in Geneva, Switzerland, from 1998 to 2006, while at the same time being responsible for the Group’s energy portfolio.

He had previously worked in various technical and business development positions at Stone & Webster, Molten Metal Technology, Merck, Dow Corning, and Dow Chemical in the United States between 1993 and 1997. 

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

He is married to Elizabeth Spada and they have 3 children.



Mr. Theodoros-Achilleas Vardas is a Member of the Board of Directors of Hellenic Petroleum since 2003. He also serves as Vice Chairman of the BoD of EKO SA, the Group’s marketing company.

He was born in Athens in 1950. He a Degree in Chemical Engineering from the Swiss Federal Institute of Technology in Zurich and a PhD from the Systems Engineering Department of the same institute. 

He began his professional career in 1979 at the Latsis Group, where he worked in key positions and in 1981 as General Manager of Petroleum Products Trading. At the same time, from 1988 to 2003, he was the Deputy CEO and Member of the BoD of Petrola Hellas SA.

Since October 2003, following the merger of Petrola Hellas SA and Hellenic Petroleum SA until the end of 2016, he served as a Management Consultant of HELLENIC PETROLEUM SA.

He also served as Member of the BoDs of Papastratos SA (1999-2003), DEPA SA (2004-2016), ELPEDISON BV (2008-2016).

He is married and the father of two children.





Holds an MBA in General Management from Baruch College in New York - USA and a Diploma in Economics from the University of Cologne – Germany.

He is the co-founder and Managing Partner of Canary Wharf Value Partners, a Athens based investment advisory firm established in 2015, focusing on debt restructuring of medium-sized Greek corporates (over €100 million of successfully restructured combined loans to date) and M&A transactions (successfully managing investment projects in the media and hotel tourism sector).

Additionally, he serves as the Chairman of the board of Greek Tourism and Hotel Enterprises of Crete SA, a 4* and 5* resort hotel operator in Crete (where he maintains a significant business interest).

He has also headed as Project Manager several important projects of the Greek Goverment. In the period 2012 -2014, he led the establishment of the Greek Investment Fund (IFG), a joint successful initiative of the Greek Government together with the German Development Bank KFW, the European Investment Bank (EIB), the French Treasury and the Onassis Foundation. In the period between 2007 and 2009 Michail coordinated and co-managed the whole privatization process of Olympic Airways (OA) on the side of the Greek Government ranging from the successful EU approval process for the OA sale through the Transportation and Competition authorities, the launch of the public tender and ultimately the successful completion of the privatization in March 2009.

He has been Group Vice Chairman & Senior Investment Officer at DEMCO Group from early 2009 until mid-2013 (total assets under management of appr. $1 billion). He has co-led the successful acquisition of Village Cinemas and Village Films from Village Roadshow Australia (Village is the absolute market leader in Cinema entertainment in Greece), as well as the successful comeback of the Group in insurance through a series of acquisitions in the Cyprus insurance market.

He has also served as DEMCO Group’s Managing Director & Executive Vice President in the period between early 2003 until the end of 2006.

During the period 2000-2003, Mr. Kefalogiannis served as General Manager International Operations of Interamerican Insurance Group

He has also worked as a Principal for a regional private equity fund (the venture capital arm of Emporiki Bank of Greece) for another five years (late 1995 – early 2000) thus being an active investment manager for the last 24 years.

During his investment management tenure, he has served in numerous board positions ranging most notably from the board of Athens International Airport (AIA) to the boards of Millenium Bank Greece, Bulgarian Investment Bank (B.I.B - later Emporiki Bank Bulgaria), Interamerican Romania, Interamerican Bulgaria and Interlife Cyprus.

He was born in Crete, Greece in 1964. He is married with two children.



Born in Athens in 1967. He studied law at the Law School of the National and Kapodistrian University of Athens, from which he graduated in 1990. During the years 1992-1993 he followed post-graduate studies and obtained a master degree from the University of Southampton in UK in the field of Corporate Law, European Community Law and Information Technology Law. His dissertation was on banking law and in particular on the collapse of BCCI bank, incorporated under the laws of England, and the relevant international regulatory legal framework.

From 1993 he is attorney at law, member of the Athens Bar Association, and he is specialized in corporate law, banking law and mergers & acquisitions, as well as in dispute resolution, before the competent courts, related to the above fields.

From 2004 until today he is partner of the Law Firm “Sarantitis Law Firm” and from 2018 deputy managing partner of the said law firm, whilst from 1994 until 2004 he was associate of the law office “Sarantitis & Partners”.



He graduated from the University of Athens with a Degree in Economics (Department of Politics and Economics). He completed his postgraduate studies at the University of Lancaster (England) and he obtained a Postgraduate Diploma in Economics and a Masters of Arts (M.A.) in Marketing and Finance. 

He worked at senior positions with Greek and foreign banks in Athens, Greece, and he was Chief Financial Officer (CFO) and Chief Operating Officer (COO) with Hellenic Telecoms (OTE S.A.).  Following the acquisition of OTE by Deutsche Telekom (DT), he joined OTE’s Board of Directors as an Executive member and DT’s European Management Board.  Additionally, he was sitting, as a NED, on the Boards of Greek listed companies. 

Currently, he is Chair of the BoD of SFS, a subsidiary of Bain Capital Credit, and a Member of the Board (NED) of Ellaktor S.A.  He is also Chair of the Special Liquidations Committee of the Bank of Greece.  He is an English and French speaker



Born in Athens in 1964. Attorney at law, graduated from the University of Athens, Law School (LL.B.) and the University of Kent at Canterbury, UK (LL.M on European Competition Law, Intellectual Property, International Business Transactions and Ph.D).

His fields of expertise include commercial law, competition law, electronic communications, and media,  intellectual and industrial property law, information technology law with an emphasis on electronic payments, mergers, corporate law, and on corporate restructuring and financing.

During 2000 – 2004 he acted as the Head of the Legal Department of the Hellenic Telecommunications and Post Commission (ΕΕΤΤ), and during 2005 - 2006 he served as a Board member in the Board of Directors of ΕΕΤΤ.  From 2004 up to 2007 he was a member of the Board of Directors of the Hellenic Copyright Organization (OPI), and from 2009 up to 2011 he acted as Vice-Chairman of the Board of Directors of the Hellenic Industrial Property Organisation (OVI). He has participated in various legislative committees (working on the drafting of legislation for societees anonymes, public procurement, electronic public procurements, consumer protection, intellectual property, electronic communications and competition).

Since 2003 he teaches electronic communications law in the Interdepartmental Post-Graduate Program of the Departments of Computers and Economics of the Athens University, «Telecommunications’ Economics and Management». He has various publications on issues of commercial law in academic journals and in foreign newsletters on competition law and corporate law.



He holds a Bachelor Degree from Athens University of Economics and Business (ASOEE) and a Master's Degree from the University of Reading in International Banking and Finance.

He has extended experience including, among others, CEO in APIVITA S.A, Senior Project Manager for Aegean Motorway SA and Olympia Odos SA in HTC AG. He was also Chairman of the BoD of ATHENS INTERNATIONAL AIRPORT.

During the period 2004-2008 he served as Special Privatization Secretary, while for an 8 month period he was also responsible for the General Accounting Office of the Hellenic Republic.

Currently, he is a business consultant and works, among others, as Senior Advisor to the BoD of Kantor Management Consultants S.A. and a member (non – executive) of the BoD of Marfin Investment Group Holdings S.A.



Holds a degree in Business Administration from the Piraeus University. 

From 1980 to 1991 he worked at the National Bank of Investments & Industrial Development (ETEBA). Additionally, from 1983 to 1985 he was associate of the Deputy Minister of National Economy, Kostis Vaitsou and from 1985 to 1988 was the Office Director of the Deputy Minister of National Economy, Theodoros Karantzas. From 1991 to 1996 he was Assistant General Manager in the Interamerican group. From March 1996 to April 2004 he held the position of Deputy Governor of the National Bank of Greece, while at the same time he served as Chairman, Vice-Chairman or member of the BoD in several of the bank’s subsidiaries. He was also Vice-Chairman of the Athens Stock Exchange, President of the Central Depository, and President of the Executive Committee of the Hellenic Bank Association On May 2004 he was appointed Vice-Chairman of the BoD of Piraeus Bank and from January 2009 to December 2009 he was the Vice-Chairman and Deputy-CEO of the Piraeus Bank Group. 

He was also Chairman of the BoD of Piraeus AEEAP (now Trastor AEEAP) and the Chairman of Europaiki Pisti AEGA insurance company. He served as Chairman of the BoD of ATE Bank between 2009 and 2012.

From August 2012 to September 2016 he served as Chairman and CEO of Apollonios Kyklos SA, Vice Chairman of Enosis SA and Ltd, Associate of DEMKO SA, Member of the BoD of ELLAKTOR Group, Hellenic Petroleum, Retail World and MAD DOG SA.

Currently he is the CEO of Attica Bank, Vice Chairman of Enosis SA and Ltd, Member of BoD of ELLAKTOR Group (Attiki Odos, Anemos SA, REDS) and Hellenic Petroleum.




Holds a PhD and Master’s Degree in Economics from the University of Washington, St. Louis, as well as a Degree in Economics from the University of Athens. 

He is a banker with significant experience in the financial services sector. He holds the position of supervisor Micro and Marco-Prudential Supervision and Director of Financial Stability at the Bank of Greece where he works since the beginning of 2012. He has served as Executive Vice Chairman of the BoD of Hellenic Post Bank (2009-2011), General Manager of the Bank of Cyprus group – Head of investment banking, asset management and brokerage. From 2005 to 2007 he held the position of Deputy General Manager at Emporiki Bank, from 2002 to 2004 General Manager of EFG Telesis Finance and in 2000 to 2002 Deputy General Manager at Geniki Bank. He has also worked in the National Bank of Greece, the Hellenic Bank Association and the Reuters News Agency. He currently acts as a Consultant to the Administration of the BoG.




Graduate of the Technical School of Electronics in 1984.

Since 1981 he has worked initially in Petrola Hellas plc and after the merger with Hellenic Petroleum he worked in the section of Electrical and Instrumentation to Elefsina Refinery. From 2004 he is a member of the Board of Directors of the Panhellenic Workers Association ELPE. In February of 2013 he has been elected as the representative of the workers in the BoD




Mechanical Engineer, graduate of the Technical University of Cluj-Napoca of Romania, holder of a Master’s Degree in Machinery Construction Technology.

Since 1985, he has been employed by HELPE (EKO until 1997), at the industrial plants of Thessaloniki, as Maintenance Projects, New Projects and Major Projects Engineer, and he has participated in several general maintenance works at the refinery of Thessaloniki as well as in the planning and implementation of upgrade projects and new units at the industrial plants of Thessaloniki. (Networks, Docking, Fire Safety Systems, Oily Sludge Treatment Unit, Tank Truck Loading Station, Isomerization Unit etc.).

He has been active in the HELPE Employees Trade Union, and has been a member of the Union’s BoD, assuming various responsibilities from 1997 to this day. He is also an elected member of the GSEE management (Greek General Federation of Labour), as well as of the Labour Center of Thessaloniki.