Duff McDonald is the author of the New York Times bestseller The Firm: The Story of McKinsey and Its Secret Influence on American Business, Last Man Standing: The Ascent of Jamie Dimon and JPMorgan Chase, and The Golden Passport and the coauthor of The CEO, a satire. A contributing editor at the New York Observer, he has also written for the New Yorker, Vanity Fair, New York, Esquire, Fortune, Businessweek, GQ, Wired, Time, Newsweek, and other publications. He lives in New York.