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Biographies of Key Officials

Many of USTR's senior officials are lawyers and economists with extensive backgrounds in trade law. The senior staff includes about 30 key officials appointed by the U.S. Trade Representative who supervise trade negotiations, monitor trade disputes, enforce laws, and keep a constant flow of communication with Congress, industry, nongovernmental organizations and the public on U.S. trade policy.

United States Trade Representative

Stephen Vaughn (Acting)

Deputy United States Trade Representative


Deputy United States Trade Representative


Chief Agricultural Negotiator


Chief of Staff and Deputy U.S. Trade Representative


Deputy Chief of Staff


Counselor to the United States Trade Representative


General Counsel

Stephen Vaughn

Senior Advisor

Timothy Reif

Other Senior Officials and Assistant U. S. Trade Representatives (AUSTR)

Fred Ames, AUSTR for Administration

Daniel Bahar, AUSTR for Services and Investment

Michael Beeman, AUSTR for Japan, Korea, and APEC

Michael J. Delaney, TPSC Chairman and Special Trade Representative for Post-Conflict Countries

Edward Gresser, AUSTR for Trade Policy Economics

Bill Jackson, AUSTR for Textiles

Lewis Karesh, AUSTR for Labor

Sharon Bomer Lauritsen, AUSTR for Agricultural Affairs

Mark Linscott, AUSTR for South and Central Asian Affairs

Probir Mehta, AUSTR for Innovation and Intellectual Property

John Melle, AUSTR for Americas

Juan Millan, AUSTR for Monitoring and Enforcement 

L. Daniel Mullaney, AUSTR for Europe and the Middle East

Maria Pagan, Deputy General Counsel

Jennifer Prescott, AUSTR for Environment & Natural Resources

Jim Sanford, AUSTR for Small Business, Market Access, and Industrial Competitiveness

Dawn Shackleford, AUSTR for WTO and Multilateral Affairs

Bradford Ward, Director, Interagency Trade Enforcement Center

Barbara Weisel, AUSTR for Southeast Asia and the Pacific

Christopher Wilson, Deputy Chief of Mission, Geneva