Jeff Greene got rich investing in real estate and superrich betting against it.

FORBES: Billionaires 2013: Strange But True Facts About the World's Richest

"I have spoken many times with Jeff Greene, " said Cecilia Blackstock, an administrative assistant who fielded Greene's calls at LRA Property and LB Property, in a declaration.

FORBES: Legal

Some of them were privately hoping that billionaire Jeff Greene, who had made a fortune betting against the housing market, would beat Meek so they could openly support Crist.

CNN: Dems make a mess of Florida U.S. Senate race

Documents from a libel case paint an unflattering picture of Florida Democratic Senate hopeful Jeff Greene, with employees of a property management firm he used making declarations describing him as cruel and abusive.

FORBES: Magazine Article

That's if he is able to fend off the challenge of billionaire Jeff Greene, who recently jumped into the race, and is expected to spend millions of his own money to grab the nomination.

CNN: Florida race could haunt Democrats in 2012

Investors include VMWare founders Diane Greene and Mendel Rosenblum are investors, as are Chamath Palihapitiya, a vice president at Facebook, and Jeff Huber, a senior vice president at Google.

FORBES: Names You Need To Know: Scala And Typesafe