U.S. Ambassadors

Article II of the Constitution gives the President power to appoint ambassadors with the advice and consent of the Senate and to receive foreign ambassadors. For its first century the United States sent ministers rather than ambassadors, a lower diplomatic rank that reflected republican distaste for monarchical titles, until Congress authorized the ambassador rank in 1893 and the first U.S. ambassador presented credentials in London that year. The Rogers Act of 1924 created a professional Foreign Service, and the Foreign Service Act of 1980 set the modern rules for chiefs of mission.

The United States has about 190 ambassadors and chiefs of mission, posted to foreign capitals and to bodies such as the United Nations, NATO, and the Organization of American States. By law the ambassador directs and supervises all executive branch employees in the country except those under a military commander, coordinating diplomats, aid workers, intelligence officers, and law enforcement attaches. Ambassadors negotiate with host governments, protect American citizens, promote trade, and report back to Washington, and they serve at the pleasure of the President.

Roughly 30 percent of ambassadors have traditionally been political appointees, often major campaign donors or allies, with the rest drawn from the career Foreign Service, a balance that has long drawn criticism. The 1980 law says ambassadors should normally be career officers and that political contributions should not be a factor, but the guideline is not enforced. In 2025 the State Department carried out a reduction in force in July, and later in the year the administration recalled a number of career ambassadors from their posts. Supporters said presidents need envoys loyal to their agenda, while critics said the moves drained diplomatic experience and left posts vacant.