Who runs Washington D.C.?

There is no one person who runs Washington D.C. The city is governed by a mayor, who is elected by the city's residents, and a city council, which is elected by the city's residents. The mayor and city council are responsible for making decisions about the city's policies and budget. The city also has a number of boards and commissions that are responsible for specific areas of the city's government, such as the police department, the fire department, and the public schools.