4. Former Deputy Attorney General Larry Thompson:
In 2005, Thompson was mentioned as a potential Supreme Court nominee before the appointment of Samuel Alito. Currently, Thompson serves in the private sector as Senior Vice President Government Affairs, General Counsel and Secretary for PepsiCo. He is a close friend of Justice Clarence Thomas (he was also a witness and advisor for Thomas during his Supreme Court confirmation hearings), and was the Deputy Attorney General under John Ashcroft until 2004, when he left the Justice Department for a position with the Brookings Institute before moving on to his position with PepsiCo.
According to the Washington Post article cited above, Thompson handled prosecution of both anti-terrorism and corporate crimes:
In addition to his daily involvement in the department's stepped-up efforts to uncover terrorist threats, Thompson has also headed the corporate crime task force pursuing prosecutions against industry giants including Enron Corp., Worldcom Inc. and HealthSouth Corp.
Thompson had two stints with and was a partner in the Atlanta law firm of King & Spalding, specializing in civil and criminal litigation. According to his bio on the Brookings website, he also served as U.S. Attorney in Georgia: