United States. Central Intelligence Agency

Created by the National Security Act of 1947, the Central Intelligence Agency became the United States' principal foreign intelligence service after the wartime Office of Strategic Services. According to the CIA's own overview, its core mission is to gather and share intelligence to protect the nation, and its work is organized across several major directorates and mission centers.

Over the decades, the agency has played a major role in U.S. foreign policy and national security, combining intelligence analysis with espionage and covert action. Reference works such as Encyclopaedia Britannica describe it as the country's principal foreign intelligence and counterintelligence agency, while also noting the controversy that has surrounded some of its operations and methods.

Because the CIA is an institution rather than an individual author, there is no single personal biography to tell. Instead, its "about" story is one of secrecy, public scrutiny, and lasting influence on how the United States understands and responds to events around the world.