Member State: United States of America

Representative Date of Appointment Alternate(s) Date of Appointment Attaché

Mr. Lee  LIPTON
Mr. Lee LIPTON
Interim Representative

July 31, 2025 Ms. Kimberly J PENLAND
Deputy Chief of Mission
,
Ms. Julianna AYNES-NEVILLE
Counselor, Alternate Representative
(202) 647-9908
October 28, 2015  
Mr. Fernando D. ROJAS
Senior Advisor, Alternate Representative
(202) 647-9482
August 2, 2004  
Mr. Andrew STEVENSON
Alternate Representative
(202) 647-9057
September 6, 2006  
Ms. Lidice (Lilly) CALAFELL
Alternate Representative
March 11, 2025  
Ms. Christina HEIFFERON
Alternate Representative
May 11, 2023  
Ms. Olga CABELLO
Alternate Representative
July 10, 2025  
Ms. Hilary RENNER
Alternate Representative
February 21, 2025  
Mr. Nicholas MONTELONGO
Alternate Representative
November 1, 2024  
Ms. Andrea PERALTA
Alternate Representative
January 15, 2025  

Address: WHA/USOAS Bureau of Western Hemisphere Affairs Department of State - Room 5914  Washington, D.C. 20520

Phone: (202) 647-9376

Fax: (202) 647-6973

E-mail: usa@oas.org

Website: http://www.usoas.usmission.gov

Office Hours: 8:15 a.m. to 5:00 p.m. / Closed: Saturday and Sunday

President:
The Honorable Donald J. TRUMP

Vice-President:
The Honorable James D. VANCE

Secretary of State:
The Honorable Marco RUBIO

Secretary of the Treasury:
The Honorable Scott BESSENT

Secretary of Defense:
The Honorable Pete HEGSETH

Attorney General :
Pam BONDI

Secretary of Interior:
The Honorable Doug BURGUM

Secretary of Agriculture:
The Honorable Brooke ROLLINS

Secretary of Commerce:
The Honorable Howard LUTNICK

Secretary of Labor:
Lori CHAVEZ-DEREMER

Secretary of Health and Human Services:
Robert F. KENNEDY, JR.

Secretary of Housing and Urban Development:
Scott TURNER

Secretary of Transportation:
Sean DUFFY

Secretary of Energy:
Chris WRIGHT

Secretary of Education:
Linda MCMAHON

Secretary of Veterans Affairs:
Doug COLLINS

Secretary of Homeland Security:
Kristi NOEM

Chief of Staff, The White House:
Ms. Susie WILES

Administrator, Environmental Protection Agency:
Mr. Lee ZELDIN

Acting Director, Office of Management and Budget:
Mrs. , ,

U.S. Trade Representative:
Mr. , ,

Ambassador, Permanent Representative to the United Nations:
Her Excellency , ,

Chair, Council of Economic Advisors :
Mr. , ,

Administrator, Federal Emergency Management Agency :
Mrs. , ,

Director of National Drug Control Policy:
Mr. , ,

Administrator, Small Business Administration :
Mrs. . ,

Director, Central Intelligence Agency:
Mr. , ,

Ambassador, Permanent Representative to the Organization of American States:
The Honorable , ,

Flag United States of America

Capital: Washington, D.C.

National Holiday: July 4

Date of Entry into the Inter-American System : 1889

Website: http://www.usoas.usmission.gov

Any amendment to the Directory of Permanent Missions must be reported to protocol@oas.org.