Joel Greenblatt

Magic Formula, special situations, spinoffs (You Can Be a Stock Market Genius)

Joel Greenblatt is an American academic, hedge fund manager, investor, and writer. He is a value investor, alumnus of the Wharton School of the University of Pennsylvania, and adjunct professor at the Columbia University Graduate School of Business. He runs Gotham Asset Management with his partner, Robert Goldstein. He is the former chairman of the board of Alliant Techsystems (1994–1995) and founder of the New York Securities Auction Corporation.