DANIEL LOEB

$2.8

BILLION  SELF-MADE SCORE: & SOURCE: HEDGE FUNDS AGE: 57 RESIDENCE: NEW YORK CITY PHILANTHROPY SCORE: He and his $15 billion hedge fund, Third Point, are known for launching activist campaigns against corporate boards. Earlier this year, Loeb made a $1.5 billion investment in Sony and pushed for the company to spin off its semiconductor business. Loeb had tried and failed to get Sony to split up in 2013.