William D. Cohan
William D. Cohan, a former investigative reporter in Raleigh, N.C., writes on alternate Fridays about Wall Street and Main Street. He worked on Wall Street as a senior mergers and acquisitions banker for 15 years. He also worked for two years at GE Capital. He is the author of “House of Cards: A Tale of Hubris and Wretched Excess on Wall Street” and “The Last Tycoons: The Secret History of Lazard Freres & Co.,” and is working on a book about Goldman Sachs. In addition to The New York Times, he writes regularly for Vanity Fair, Fortune, the Financial Times, ArtNews and The Daily Beast.