Net Worth: $2.0 billion

Brooklyn-born son of a bricklayer made big bet on 9 West 57th Street, today one of New York City’s best commercial addresses; building is home to several high profile hedge funds, commands rents of more than $200 a foot. Also owns luxury apartments on Upper East Side. Still waiting on approval to redevelop a parcel on Manhattan’s East River into 4 million square feet of residential, commercial and retail space. Avid art collector recently donated 2 floors of a New York City townhouse to Institute of Fine Arts of New York University.