The problem is most finance pros aren't learning the right lessons from those mistakes, according to Dr. Gio Valiante and Denise Schull, two performance coaches well-known in the $3.3 trillion hedge fund industry. At an event at the CFA Society in Manhattan Thursday night, Valiante and Schull, along with Lockheed Martin's managing director of global equities Svein Backer, touched on the importance of behavior and emotion, and their impact on a portfolio.