CIA station chief

This is a list of CIA station chiefs. The station chief, also called chief of station (COS), is the top U.S. Central Intelligence Agency official stationed in a foreign country, equivalent to a KGB Resident. Often the COS has an office in the American Embassy. The station chief is the senior U.S. intelligence representative with his or her respective foreign government.

Those who have been known to be station chiefs include, in alphabetical order:

...
Wikipedia