Charlene Barshefsky served as United States Trade Representative, the country's top trade negotiator, from 1997 to 2001. Under Bill Clinton in 1999, she was the primary negotiator with China's Zhu Rongji, laying out the terms for China's eventual entry into the WTO. She is a now a partner at the Washington, DC law firm of Wilmer Cutler and Pickering - and serves on several corporate boards, including Intel.