William R. Brownfield (1952–)

Career Foreign Service Officer
State of Residence: Texas

1. Ambassador Extraordinary and Plenipotentiary (Chile)
   Appointed: January 30, 2002
   Presentation of Credentials: March 25, 2002
   Termination of Mission: Left post on July 19, 2004
2. Ambassador Extraordinary and Plenipotentiary (Venezuela)
   Appointed: July 2, 2004
   Presentation of Credentials: October 15, 2004
   Termination of Mission: Left post on September 5, 2007
3. Ambassador Extraordinary and Plenipotentiary (Colombia)
   Appointed: July 2, 2007
   Presentation of Credentials: September 12, 2007
   Termination of Mission: Left post on August 10, 2010
4. Assistant Secretary of State for International Narcotics and Law Enforcement Affairs
   Appointed: January 10, 2011
   Entry on Duty: January 10, 2011
   Termination of Appointment: September 30, 2017
5. Career Ambassador
   Appointed: September 26, 2012