Biography of Nikolaos Vrettos

Last update: March 28, 2022


Nikolaos Vrettos is currently Director at Hellenic Petroleum - View - Hellenic Petroleum org chart

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  • In the Oil & Gas industry, Nikolaos Vrettos has 19,663 colleagues in 1,571 companies located in 104 countries. 9,098 executive movements have been recorded in the last 12 months. Learn more about Oil & Gas.

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