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The Karfunkel Family

Net Worth: $3.2B   |   New York, New York
AmTrust Financial Owners
New York City, NY
Photo: Flickr/Antonia Quaintano

Until Michael’s death last year, George and Michael Karfunkel owned a majority of the publicly traded insurance firm AmTrust Financial. Their family fortune includes stakes in a variety of other insurance companies. The brothers bolstered their wealth considerably when they sold a stock transfer agency they owned for $900M in 2008.

AmTrust is led by Michael’s son-in-law, Barry Zyskind. In 2011, the firm’s real estate arm bought a 23-story Cleveland office building, the KeyBank Center, as its vacancy was about to hit 60%. It also owns office buildings in Lower Manhattan and downtown Chicago. — Scott Klocksin

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