Tim Cook, Steve Ballmer and Jamie Dimon are among the few US billionaires who didn't found a company or inherit a fortune

Tim Cook, Steve Ballmer and Jamie Dimon all became rich by climbing the corporate ladder.Getty Images
Almost all American billionaires are founders or heirs to family fortunes.Forbe… [+2637 chars]

https://www.businessinsider.com/cook-dimon-ballmer-billionaires-rich-list-wealth-founders-tech-finance-2024-2