The San Francisco Symphony (SFS), founded in 1911, is an American orchestra based in San Francisco, California. Since 1980 the orchestra has been resident at the Louise M. Davies Symphony Hall in the city's Hayes Valley neighborhood. The San Francisco Symphony Youth Orchestra (founded in 1981) and the San Francisco Symphony Chorus (1972) are part of the organization. Since 1995, Michael Tilson Thomas has been the orchestra's music director. Tilson Thomas is scheduled to conclude his tenure as the orchestra's music director in 2020, when Esa-Pekka Salonen is scheduled to become the orchestra's next music director.