George is the President of the Hellenic Chamber of Shipping since 2004. Before that, he served as President from 1996 to 2000.

George is a member of the Executive Committee and the Board of Directors of the Union of Greek Shipowners (UGS) and President of the UGS Maritime Safety and Marine Environment Protection Committee, the Vice-President of HELMEPA (Hellenic Marine Environment Protection Association), is and has been a member of many other boards and organizations

He has been President of the U.K. FREIGHT DEMURRAGE AND DEFENCE ASSOCIATION and Vice-President of BIMCO.

George is a third-generation shipowner and the President of Standard Bulk Transport Corporation which manages bulk-carriers.

He holds a BSc in Naval Architecture & Marine Engineering from the MIT and a PhD in Shipping Market Dynamics from the University of the Aegean.