23x gold medalist Michael Phelps remains the most decorated athlete in Olympic history. Since stepping away from the Olympics, he's become an advocate for mental health and opened the Michael Phelps Swim School while also focusing on his family.
2. Michael Jordan
With two gold medals, Michael Jordan is still a name that's synonymous with basketball excellence. After retiring from the game of basketball, he's continued to establish himself as an exceptional entrepreneur through the Jordan brand.
3. Carl Lewis
The iconic Carl Lewis, named the Sportsman of the Century by the IOC, continued to contribute to the success of Track & Field after retiring in 1997.