66. STEPHEN ROSS

$7.6

BILLION  SELF-MADE SCORE: * SOURCE: REAL ESTATE AGE: 79 RESIDENCE: NEW YORK CITY PHILANTHROPY SCORE: After more than a decade of planning and construction, Ross’ Related Companies opened a portion of its $25 billion Hudson Yards in March. The 28-acre development on Manhattan’s far west side includes office buildings, apartment towers and a retail complex; roughly 100,000 people visit on a typical weekend day. In August, Ross hosted a fundraiser for Donald Trump at his Southampton home, sparking calls to boycott fitness chains Equinox and SoulCycle. Ross is a minority investor in both.