25. Micky Arison
Company: Carnival Corporation
Net Worth: $6.2 billion*
Micky Arison made his billions through the entertainment industry, as he is the chairman of the largest cruise operator in the world: Carnival Corporation. He was the CEO of Carnival from 1979 to 2013, when he was replaced by Arnold Donald, who had been on the Carnival board for over a decade.
Micky Arison ©Mike Ehrmann / Gettyimages.com
Though Arison was replaced, he is still actively involved in the company. In addition to being chairman, he owns an 8.8% stake in Carnival through his Delaware-incorporated holding company (along with various trusts). All of this has resulted in Arison having a net worth of over $6 billion.