USA flag United States of America


T.H. Leandro RIZZUTO

Ambassador, Permanent Representative
Date of Appointment: October 27, 2025

Phone: (202) 647-3799

PERMANENT MISSION OF USA TO THE OAS

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

Phone: (202) 647-9376 (See individual listings)

Fax: (202) 647-6973

E-mail: [email protected]

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

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

ALTERNATE(S)

Ms. Kimberly J. PENLAND
Deputy Chief of Mission

Date of Appointment: August 8, 2024

Mr. Lee LIPTON
Chief of Staff, Alternate Representative

Date of Appointment: June 12, 2025

Ms. Julianna AYNES-NEVILLE
Counselor, Alternate Representative

Date of Appointment: October 28, 2015 

Mr. Fernando D. ROJAS
Senior Advisor, Alternate Representative

Date of Appointment: August 2, 2004

Mr. Andrew STEVENSON
Alternate Representative

Date of Appointment: September 6, 2006

Ms. Lidice (Lilly) CALAFELL
Deputy Political Counselor, Alternate Representative

Date of Appointment: March 11, 2025

Ms. Christina HEIFFERON
Alternate Representative

Date of Appointment: May 11, 2023

Ms. Olga CABELLO
Alternate Representative

Date of Appointment: July 10, 2025

Ms. Andrea PERALTA
Alternate Representative

Date of Appointment: January 15, 2025

Mr. Jeffrey PRESNELL
Political Officer, Alternate Representative

Date of Appointment: September 2, 2025

Ms. Fiona Evans
Political Counselor, Alternate Representative

Date of Appointment: September 23, 2025

Ms. JoAnn DeBartolo
Senior Advisor, Alternate Representative

Date of Appointment: October 23, 2025

Mr. Luis Sobalvarro
Deputy Counselor, Alternate Representative

Date of Appointment: November 3, 2025

Any amendment to the Directory of Permanent Missions must be reported to [email protected].

Information about the country

Capital: Washington, D.C.

National Holiday: July 4

Government Officials

 

PROGRAMS, PROJECTS AND INITIATIVES