William Elden Bolcom (born May 26, 1938) is an American composer and pianist. He has received the Pulitzer Prize and three Grammy Awards. Bolcom is a professor of music composition at the University of Michigan. He is married to mezzo-soprano Joan Morris. Bolcom was born in Seattle, Washington. At the age of 11, he entered the University of Washington to study composition privately with George Fredrick McKay and John Verall and piano with Madame Berthe Poncy Jacobson.