Greece’s Navios Maritime Holdings has sent its chief financial officer to Argentina to oversee expansion at its South American subsidiary.

The US-listed company has appointed George Achniotis as chief executive of Navios South American Logistics (NSAL), which owns three ports and eight small clean tankers.

Navios Holdings chief executive Angeliki Frangou told a conference call that Achniotis has moved to Buenos Aires on a full-time basis.