George Foreman

Formerly From: Boxing – World Heavyweight Champion

Currently: Entrepreneur

Net Worth: $300 million*

George Foreman is a former professional boxer who was a two-time world heavyweight champion. After retiring from boxing, he became an entrepreneur and is best known for endorsing the George Foreman Grill. The grill became a massive success, and Foreman has reportedly earned more money from it than he did in his boxing career.