Carnival's CEO, Micky Arison, also owns the Miami Heat. Al Diaz / Miami Herald Staff

AutoNation's CEO Mike Jackson, right, listens to T. Boone Pickins tell a story at a program at the H. Wayne Huizenga School of Business at Nova Southeastern University in '09. CANDACE WEST / MIAMI HERALD STAF / Miami Herald File Photo

NextEra CEO Lewis Hay III, left, answers a question at the Wolfson campus of Miami-Dade college with Jeffrey Immelt. John VanBeekum / Miami Herald

Royal Caribbean's CEO Richard Fain.

Paul Stebbins, CEO of World Fuel Services, at the Doral headquarters of the Fortune 500 company. DAVID ADAME / FOR THE HERALD

Ryder System's CEO Gregory Swienton. Charles Trainor Jr / Miami Herald Staff File