Ryan Serhant says he has a list of all the billionaires he’s met—all 101 of them. For the real-estate mogul whose brokerage, Serhant., is on track to close $6 billion in sales this year, building relationships with the ultra-wealthy is his “number one job.”

Serhant, 41, transformed himself from a struggling actor who only earned about $9,000 in his first year of real estate—in 2008, the week Lehman Brothers collapsed—into one of America’s most successful brokers. He’s closed more than $15 billion in real estate over his career, built a brokerage with more than 1,100 agents across 14 states, and parlayed his work into a Netflix series, Owning Manhattan. His estimated net worth is around $40 million. And at 41, he continues to set records: In the first 35 days of 2025 alone, his brokerage S

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