1. Michael Bloomberg
Net Worth: $ 51.7 Billion
Michael Bloomberg cofounded financial information and media company Bloomberg LP in 1981.
After putting down the company’s seed funding, he has retained an 88% stake in the business, which has revenue north of $9 billion.
A major philanthropist, he has donated more than $5 billion to gun control, climate change and other causes.
He got his start on Wall Street in 1966 with an entry level job at investment bank Salomon Brothers. He was fired 15 years later.
He owns at least six homes, including ones in Bermuda and London.
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