Peter Lieberson (25 October 1946 – 23 April 2011) was an American composer. Lieberson was born in New York City. His mother Eva Brigitta Hartwig was a ballerina and choreographer, also professionally known as Vera Zorina. His father, Goddard Lieberson, was president of Columbia Records. Lieberson studied composition with Milton Babbitt, Charles Wuorinen, Donald Martino, and Martin Boykan. After completing his musical studies at Columbia University, he left New York in 1976 for Boulder, Colorado to continue his studies with Chogyam Trungpa, a Tibetan Vajrayana Buddhist master.