San Francisco Ballet School Mateo, and Oakland. After Bolm left in 1937, new Opera ballet mistress Mildred Hirch added a fencing master during her year-long direction; Willam Christensen, previously director of the Oakland Branch School, became SF Opera ballet master and full school director in 1938. As San Francisco Opera Ballet expanded its touring schedule, it became increasingly difficult for Christensen to serve in both of his professional capacities. In 1940, his brother Harold Christensen took over the position of school director. In 1942, the two Christensen brothers purchased both the ballet company and the school from the Opera Association, renaming the company San
Quartet San Francisco with the Santa Fe Opera. She is co-concertmaster of the Oakland East Bay Symphony and concertmaster with the Santa Fe Pro Musica Chamber Orchestra. She is on the faculty of the Music Department at Stanford University. James "Jim" Shallenberger, a founding member of the Kronos Quartet, played violin on the 2002 recording "Quartet San Francisco". Shallenberger is a member of the San Francisco Symphony Orchestra and the San Francisco Opera and Ballet Orchestras. He is one of the extended faculty of the San Francisco Conservatory of Music. "Pacific Premieres", the group's fifth album, was released in 2013. The album consists