OSG promotes Captain George Dienis to Senior VP

JUNE 15, 2012 — Overseas Shipholding Group, Inc. (NYSE: OSG) has promoted Captain George Dienis  to Senior Vice President of OSG. He will now assume responsibility for technical management of OSG’s international flag conventional crude oil tanker fleet along with his existing management of the product carrier fleet.  

Since 2005, Captain Dienis has served as Managing Director and Chief Operating Officer of Athens based OSG Ship Management (GR) Ltd.  He will continue to report to Captain Ian T. Blackley, Head of International Shipping Operations.

Morten Arntzen, President and CEO said, “Captain Dienis has been at the helm of our Athens technical management office since the acquisition of Stelmar Shipping in 2005, where he has led a highly capable team of ship management professionals and overseen the expansion and modernization of our products fleet. His expanded role in conjunction with the transition of technical management of OSG’s crude oil tanker fleet to the Athens office is being recognized with this promotion.  I am confident that under his watch, OSG’s Athens office will excel at managing our large international flag crude and product fleet.”

Captain Dienis previously held numerous positions of increasing responsibility while working for Stelmar Shipping Ltd., rising through the ranks from port captain to Chief Operating Officer. Prior to joining Stelmar, Captain Dienis worked for the Niarchos Group for 20 years, achieving the level of Master Mariner on both tanker and dry cargo vessels.

Captain Dienis is OSG’s representative for the Hellenic Marine Environment Protection Association and Cyprus Marine Environment Protection Association, two of the largest organizations for the protection of the marine environment. He is a graduate of the National Marine Academy of Aspropyrgos, holds a Captain’s License Class A, and in 2005 received a diploma in ship management from Lloyd’s Maritime Academy.