 In this capacity, he headed the U.S. delegation in the FTAA negotiations and was responsible for the development, coordination and implementation of U.S. government negotiating positions and strategies in these trade talks.Between February and August 2005, Wilson served as Executive Assistant and Chief of Staff for Deputy Secretary of State Robert B. Zoellick, providing policy and staff support to the Deputy Secretary on the entire range of issues in U.S. foreign policy.Wilson was nominated to serve at the Ankara embassy by President George W. Bush on October 28, 2005.