Richard Branson, Sara Blakely and Other Entrepreneurial Stars Are Auctioning Themselves for Charity If you've ever wanted to pick the brain of a business mogul, now's your chance. But you're going to have to pay up.

By Catherine Clifford

Opinions expressed by Entrepreneur contributors are their own.

Charitybuzz.com

How much would you pay to hang out with Richard Branson on Necker Island? Or play a round of golf with New York City's multibillionaire ex-mayor Michael Bloomberg?

Thanks to a date-auction style charity fundraiser, some of the biggest names in the world of entrepreneurship are making themselves available -- for a price.

New York City-based online charity auction platform Charitybuzz has a stacked list of A-list entrepreneurs and investors signed on to participate. Among them are Twitter and Square CEO Jack Dorsey, Spanx founder Sara Blakely, music mogul Russell Simmons, fashion designer Tommy Hilfiger and the ever controversial Sean Rad, CEO of Tinder.

Related: Why I Committed to Making 2015 a Year of Charity

The money raised will go to whichever charity the celebrity selects.

Previous events have resulted in some pretty big spending. A coffee date with Apple CEO Tim Cook that was auctioned off in 2013 went for a sweet $610,000.

"We've found that entrepreneurs are the new rock stars online," said Charitybuzz CEO Coppy Holzman, in a statement.

Bidding is open until Dec. 2.

Related: CharityBuzz's Big Idea: Altruistic Online Auctions
Catherine Clifford

Senior Entrepreneurship Writer at CNBC

Catherine Clifford is senior entrepreneurship writer at CNBC. She was formerly a senior writer at Entrepreneur.com, the small business reporter at CNNMoney and an assistant in the New York bureau for CNN. Clifford attended Columbia University where she earned a bachelor's degree. She lives in Brooklyn, N.Y. You can follow her on Twitter at @CatClifford.

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