Paul Hembree is active as a composer, creative music technologist, and educator. His recent music includes Cerebral Hyphomycosis (2016), a duo for real and virtual cellists, premiered by T.J. Borden, and Ikarus-Azur (2013), a La Jolla Symphony and Chorus commission. His audiovisual improvisation environment, Apocryphal Chrysopoeia (2016), was featured at National Sawdust on the 2016 New York City Electroacoustic Music Festival, as part of the New York Philharmonic's biennial celebrations.

As a computer musician, he has collaborated with many prominent performers of new music, including the JACK Quartet, the International Contemporary Ensemble, the Arditti String Quartet, Ensemble Signal, and the Callithumpian Consort, on compositions by Pauline Oliveros, Brian Ferneyhough, Kaija Saariaho, and Roger Reynolds, among others.

In 2015 he received his PhD in music, specializing in composition and computer music, from the University of California, San Diego, where he also taught music theory, history, composition, and game audio courses.