Ozawa worked with Herbert von Karajan in Berlin. In 1961] he was appointed as Leonard Bernstein’s assistant conductor of the New York Philharmonic for one year. He conducted the Chicago Symphony Orchestra at their summer residence, the Ravinia Festival, for five summers, then became director of the Toronto Symphony from 1965 to 1969 and music director of the San Francisco Symphony from 1970 to 1976. He often conducted the Boston Symphony Orchestra and became its music director in 1973, a post which he held for 29 years. He became artistic director of Tanglewood in 1970. In 2002 he became music director of the Vienna State Opera, also conducting concerts with the Vienna Philharmonic.