Bill Gates, who launched Microsoft with Paul Allen, has a net worth of about $108 billion, according to Forbes.

A handful of wealthy business executives and investors from the Philadelphia region, led by residential landlord Mitchell ...

While some of these moguls are repeat winners—like Elon Musk and Bernard Arnault—many are fresh faces, and one is his country ...

T he world’s 3,028 billionaires are spread across more than 800 cities around the globe, from Feldmeilen, Switzerland to ...