Last Man Standing by Duff McDonald is a biography of Jamie Dimon, the CEO of JPMorgan Chase. The text focuses on Dimon's career, exploring his early life and education, his rise through the ranks of the financial industry, and his role in navigating the 2008 financial crisis. It examines Dimon's relationships with other prominent figures, particularly Sandy Weill, and analyzes his leadership style, business strategies, and impact on the banking industry. Ultimately, the excerpt provides a comprehensive overview of Dimon's journey from a young man with ambitions to become a successful businessman to one of the most influential figures in modern finance.