Michail Kalligiannis
Procurement Buyer at HELLENIC PETROLEUM Group of Companies
Others working in HELLENIC PETROLEUM Group of Companies
George Gregoras
Managing Director at HELLENIC PETROLEUM Group of Companies
George Dimogiorgas
General Manager of Refining at HELLENIC PETROLEUM Group of Companies
Konstantinos Koutras
Chief Officer at HELLENIC PETROLEUM Group of Companies
Konstantinos Kidonis
Battalion Fire Chief at HELLENIC PETROLEUM Group of Companies
Michail Kalligiannis's current Workspace
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