New York Cruise Lines, parent company of internationally celebrated tourism companies Circle Line Sightseeing Cruises, The Beast and World Yacht today announced the appointments of Gus Markou to President and Chief Operating Officer reporting to Samuel Cooperman, Chief Executive Officer. Promoted from Vice President of Operations, Mr. Markou is a 25 year veteran of New York Cruise Lines and has been instrumental in the growth of Circle Line Sightseeing Cruises, The Beast and World Yacht. As a long-standing member of the board of directors since 2005, Mr.