William D. Cohan, a former senior Wall Street investment banker, is the New York Times bestselling author of The Price of Silence, about the Duke lacrosse scandal; Why Wall Street Matters; Money and Power: How Goldman Sachs Came to Rule the World; House of Cards: A Tale of Hubris and Wretched Excess on Wall Street; and The Last Tycoons: The Secret History of Lazard Frères & Co., the winner of the 2007 FT/Goldman Sachs Business Book of the Year Award. His most recent book, Four Friends, was published in July 2019. He is a special correspondent at Vanity Fair and a columnist for the DealBook section of the New York Times. He also writes for The Financial Times, The New York Times, Bloomberg BusinessWeek, The Atlantic, The Nation, Fortune, and Politico. He also appears regularly on CNN, MSNBC, BBC-TV, and on Bloomberg TV where he is a contributing editor.