Warren Buffett went to a private Ivy League business school.
Columbia Business School ( CBS ) is the business school of Columbia University in Manhattan , New York City . Columbia University ( Columbia ; officially Columbia University in the City of New York ) is a private Ivy League research university in Upper Manhattan , New York City . Warren Buffett . After graduating at 19 , Buffett enrolled at Columbia Business School of Columbia University , learning and eventually creating his investment philosophy around a concept pioneered by Benjamin Graham -- value investing .