Fortune of shipping tycoon, Greece's richest man, took hit amid country's economic woes. Stocks of his EFG International, EFG Eurobank, Lamda Development, and Hellenic Petroleum, all fell. No respite as recent unrest in North Africa fuel worries for shipping industry. Also owns jet and yacht operators PrivatAir and PrivatSea. He has a Ph.D. from the London School of Economics; sits on the board of Institute of Advanced Studies in Princeton.