
ADMINISTRATION
BOARD OF DIRECTORS
D. Portolos
President and Managing Director
M. Pateras
Vice President (non-executive)
D. Kalogeropoulos
Member (executive)
D. Tsakonitis
Member (executive)
P. Vayionas
Member (executive)
MANAGEMENT
Dimitris G. Portolos
Managing Director
Pantelis N. Vetoulas
Commercial Manager
Michael E. Lomvardos
Chief Financial Officer
Dimitris K. Kalogeropoulos - Stratis
Corporate Strategy Manager
Michael M. Tsoukatos
Procurement Manager
Dimitris E. Tsakonitis, MSc
General Manager of Yerakini Mines and Works
Pavlos A. Vayionas
Deputy General Manager of Yerakini Mines and Works
Polycarpos S. Papageorgiou
Production Manager of Yerakini Mines and Works
Theofilos N. Ζambetakis, PhD
Manager of Research and Development Center