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Organizational Structure

Board of Directors

Coral S.A.'s Board of Directors is composed as follows:


John V. Vardinoyannis, Chairman of the B.oD.

Born in 1962. Studied Economics at VASSAR COLLEGE. He is (Executive) Vice Chairman of MOTOR OIL HELLAS’ Board of Directors.



George Κ. Thomaidis, Vice-chairman of the B.o.D.

Born in 1957. He has a degree in chemical engineering from the National Technical University of Athens and a PhD in chemical engineering from Rice University, Houston Texas. Since June 2010, when Coral S.A. was established, he has held the position of General Manager and from February 2017 that of Executive Vice-chairman of the B.o.D. He is also Vice-chairman of the Boards of Directors of AVIN Oil S.A., Coral Gas. A.E.B.E.Y. and LPC S.A.


George Ν. Hatzopoulos, General Manager

Born in 1963. He studied mechanical engineering at the Aristotle University of Thessaloniki and obtained a Masters degree in Germany. He joined Shell Hellas in March 1991 and held various positions in the areas of gas, lubricants and retail stations.

Since 2008 he has held the position of Retail Sales Manager and in February 2017 he took up the position of General Manager of Coral S.A.


John Ν. Kosmadakis, Member

Born in 1952 and graduate of the School of Chemical Engineering at the National Technical University of Athens.

He is Deputy Managing Director and General Manager of Marketing at MOTOR OIL Hellas.


Petros T. Tzannetakis, Member

Born in 1955. He studied Economics at Surrey University and has a Masters Degree in European Union Finance from Sussex University. He is Deputy Managing Director and Chief Financial Officer of MOTOR OIL Hellas, and also serves as financial adviser to the Vardinoyannis Group.


Nikos A. Gkiokas, Member

Born in 1950. He graduated from the Department of Business Administration of Athens University of Economics and Business (The former Higher School of Economics and Commercial Studies). From 2007 to June 2010 he held the position of Financial Officer at Shell Hellas S.A. and from June 2010 to December 2012 the position of Financial Officer at CORAL S.A. From 2013 he has held the position of Finance Officer at AVIN SA and Coral Gas. A.E.B.E.Y. .


Spyridon P. Balezos, Member

Born in 1968. He studied marketing at Deree, the American College of Greece in Athens, and obtained an M.B.A. from Southern New Hampshire University in the U.S.A. He continued his specialization in the Corporate Finance and Banking sector at Harvard University. He has been working for the MOTOR OIL Hellas Group since 1994 in the areas of Corporate Finance and Treasury.

Nikos G. Dikeos, Member and Board Secretary

Born in 1961. Graduate of Athens University School of Law and Lawyer (Athens Bar Association). He has an MSc in International Law and the exploitation of marine resources) from the London School of Economics. He was hired in November 1990 by Shell Hellas’ Legal Department and took up its Management in December 2008, after 4 years as a legal adviser on Shell’s international activities. From September 2014 he has been Head of the MOTOR OIL Group Marketing Companies Legal Departments. He is also a member of the Board of Directors of Coral Gas A.E.B.E.Y. .