Robert M. Greenberg, born on April 18, 1954 in Brooklyn, New York, is an American composer, pianist, and musicologist. After earning a B.A. in music from Princeton University and a Ph.D. in music composition from University of California, Berkeley, he began teaching at several California institutions and served as chairman of the San Francisco Conservatory of Music’s Department of Music History and Literature. His compositions include Breaths, Voices and Cadenze (1981) It Don't Mean a Thing (1990). He received three Nicola De Lorenzo Prizes and three Meet the Composer grants, and became a resident composer for National Public Radio’s Weekend All Things Considered.