Career
Artistic director, Royal Winnipeg (Canada) Ballet, 1957-1958; artistic director, founder, The Netherlands Dance Theatre, 1959-1969; artistic director, Harkness Ballet, New York City, 1969-1970; artistic director, Dutch National Ballet, The Netherlands, 1970-1971; artistic director, Pennsylvania Ballet, Philadelphia, 1972-1982; freelance choreographer, various ballet companies, 1982-1991; artistic director dance division, Juilliard School, New York City, since 1992. Director ballet project Jacob's Pillow, 1983-1989.
