Lloyd Blankfein is an American businessman best known for serving as the CEO and Chairman of Goldman Sachs, a leading global investment banking and financial services firm. He joined the company in 1982 and became CEO in 2004, guiding it through significant events, including the 2008 financial crisis. Under Blankfein's leadership, Goldman Sachs expanded its operations and adapted to changing market conditions. He is recognized for his role in shaping the firm's strategy and for his influence in the finance industry, often participating in discussions about economic policy and financial regulation.