David Dietz is a senior writer for Bloomberg Markets Magazine. He has worked at Bloomberg since February 2001. He was previously special projects editor at the San Francisco Chronicle and TheStreet.com, a financial news Web site.  In a 35-year career, mostly at newspapers, he has won more than 25 national and regional reporting awards for investigating corporate fraud, judicial misconduct and civic corruption. He is former president of Investigative Reporters and Editors, a worldwide organization of 4,600 journalists.