Atul Keshap, the new US ambassador to Sri Lanka and the Maldives, presented his credentials to President Maithripala Sirisena here on Friday.
The ceremony marks the official beginning of Keshap's tenure as the US ambassador to Sri Lanka, an embassy statement said.
Keshap is a career diplomat with the Department of State and has spent much of his career focusing on South Asia including Sri Lanka.
Most recently, he was a Deputy Assistant Secretary of State in the bureau of South and Central Asian Affairs in Washington, working closely with a strategic region of almost 1.7 billion people.
His other overseas postings have included work at the US embassies in New Delhi, Rabat and Conakry, Guinea.