Warren Buffett attended a business school.
Columbia Business School ( CBS ) is the business school of Columbia University in 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 . He attended New York Institute of Finance to specialize his economics background and soon after began various business partnerships , including one with Graham .