George Peristeris Mr. Georgios Peristeris, George serves as the Chief Executive Officer and Managing Director of GEK TERNA Holding, Real Estate, Construction Societe Anonyme. Mr. Peristeris served as the President and Chairman of the Board of GEK TERNA Holding, Real Estate, Construction Societe Anonyme. He served as Vice Chairman and Managing Director of Terna SA. He serves as the chairman of erna Energy SA since. Mr. Peristeris serves as the Chairman of the Board of General Construction Co. SA. He serves as an Executive Director of GEK TERNA Holding, Real Estate, Construction Societe Anonyme. He has been an Executive Director of Terna Energy SA since April 11, 2012. He served as a Director of Terna SA. He is a Civil Engineer.