Marjorie Ann Hess a.k.a. Maura Bosch (born 1956) is an American composer. She was born in Reading, Pennsylvania, and studied at the Hartt College of Music where she received a Bachelor of Music degree in 1978, and at Princeton University where she received a Master of Fine Arts degree in 1982 and a Ph.D. in 2008, after studying with , Edward T. Cone, Milton Babbitt and Peter Westergaard.