Bruce C. Greenwald is the Robert Heilbrunn Professor Emeritus at Columbia Business School and the academic director of the Heilbrunn Center for Graham & Dodd Investing. Described by The New York Times as “a guru to Wall Street’s gurus,” he is a preeminent authority on value investing and business strategy. He is best known for revitalizing Columbia’s value investing program and authoring seminal works like “Competition Demystified,” which simplifies complex strategic theories.