Micky Arison, chairman of Carnival Corporation, built the world’s largest cruise company into a dominant force in global leisure travel while also shaping professional sports as owner of the Miami Heat. After taking the helm of his family’s cruise business, Arison expanded Carnival through scale, brand diversification, and operational efficiency, overseeing multiple marquee cruise lines and a vast global fleet. Beyond travel, he transformed the Heat into an NBA powerhouse with multiple championships, applying a disciplined, culture-driven ownership style. Known for a low public profile and long-term focus, Arison remains one of the most influential figures in hospitality and sports ownership.