Joel Greenbatt is a hedge fund manager, value investing guru, and adjunct professor at the Columbia University Graduate School of Business. He is the former chairman of the board of Alliant Techsystems and founder of the New York Securities Auction Corporation. He is a graduate of the Wharton School of Business at the University of Pennsylvania.

Selected

• "Figure out what something is worth and pay a lot less."

• "Again, it is all about valuing businesses and paying a lot less."

• "If I plug my estimates into the Magic Formula, and it comes out cheap, that's good."