In previous lives, he was New York Bureau Chief and Executive Editor of Red Herring magazine as well as an investment banker at Goldman Sachs.

His latest book, The Golden Passport: Harvard Business School, the Limits of Capitalism, and the Moral Failure of the MBA Elite, was published by HarperCollins in April 2017. McDonald is also the author of the Firm: The Story of McKinsey and its Secret Influence on American Business (Simon & Schuster, 2013) and Last Man Standing: The Ascent of Jamie Dimon and JPMorgan Chase (S&S, 2009).

Duff attended the University of Pennsylvania’s Wharton School of Business, receiving a Bachelor of Science in Economics in 1992. He lives in the Catskills.