San Francisco Ballet group of his students, he founded the Utah Civic Ballet (now known as Ballet West) in 1963; the company remained under Christensen's directorship until 1978. Under Balanchine's tutelage at American Ballet, Lew Christensen became the first American-born "danseur noble". The United States Army drafted Christensen to fight in World War II. After the war ended, he joined Balanchine's and Lincoln Kirstein's Ballet Society (soon to become New York City Ballet), eventually becoming ballet master; he served in the role from 1946 until 1950. In 1951, he joined his brother Willam as co-director of San Francisco Ballet. When Willam moved to
San Francisco Ballet de Coteau's battle with terminal cancer forced him to step down from the position. Emil de Cou, who had been serving as conductor since 1995, then assumed the role of music director, leading the Orchestra until 2001, when he left to join Washington D.C.'s National Symphony Orchestra. He was replaced by first associate conductor Jean-Louis LeRoux, who then left the interim position in 2003 and was succeeded by Andrew Mogrelia. In 2005, Mogrelia left in order to focus on his duties as music director at San Francisco Conservatory of Music. That same year, Martin West, frequent guest conductor for the