Duff McDonald is a New York-based journalist. A contributing editor at The New York Observer, he has also written for Vanity Fair, The New Yorker, New York, Esquire, Fortune, Business Week, Conde Nast Portfolio, GQ, WIRED, Time, Newsweek, and others. In 2004, he was the recipient of two Canadian National Magazine Awards--Best Business Story (gold) and Best Investigative Reporting (silver)--for Conrad's Fall in National Post Business. The Firm: The Story of McKinsey and Its Secret Influence on American Business, was published by Simon & Schuster in September 2013. Last Man Standing, his biography of Jamie Dimon, chairman and CEO of JPMorgan Chase, was published by Simon & Schuster in October 2009. He is also the co-author, with Owen Burke, of The CEO, a satire.