Steven G. Mandis is an adjunct associate professor in finance and economics at Columbia Business School, having previously worked at Goldman Sachs and Citigroup and as a senior advisor to McKinsey & Co. He also teaches at Columbia University’s Masters of Sports Management Program. He is the author of What Happened to Goldman Sachs: An Insider’s Story of Organizational Drift and its UnintendedConsequences and The Real Madrid Way: How Values Created the Most Successful Sports Team on the Planet (2016).