Peter Lamelas

Peter Lamelas
Official portrait, 2025
53rd United States Ambassador to Argentina
Assumed office
November 4, 2025
PresidentDonald Trump
Preceded byMarc Stanley
Personal details
BornDecember 1958 (age 67)
EducationUniversidad Central del Este (MD)
Nova Southeastern University (MBA)
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Peter Lamelas (born December 1958) is a Cuban-American diplomat, physician, and entrepreneur who has served as the United States ambassador to Argentina since 2025. He is a major donor to the Republican Party donating over $600,000 to Republicans in the 2024 United States presidential election. Lamelas is also the founder and former CEO of MD Now Urgent Care, an urgent care network in Florida.