7. Vinnie Johnson – $400 Million
Vinnie Johnson retired from the NBA back in 1992 and left with a total of $5 million – enough to keep him going into a well comfortable retirement. However, Johnson didn’t rely solely on his savings to sustain him as he invested it into a business venture. His persistence led him to start up the Piston Group, a famous automotive supply company.

Vinnie Johnson
Vinnie’s business went on an upward drive, and before long, his company, The Piston Group, went on to become the top provider of auto parts for popular corporations like Ford and GM. Interestingly, The Piston Group incurred a total of $3 billion in revenue, and according to Celebrity Net Worth, Johnson’s net worth topped $400 million.
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