Brian Fitzsousa (b. 1992) is a composer whose music has always been a product of the influence of far-reaching musical styles and a spontaneous instinct.

Currently based in San Francisco, Brian serves on the music staff of the San Francisco Opera as ballet pianist, where he has worked on numerous productions, including premieres by John Adams and Bright Sheng. He is also a faculty member at the San Francisco Conservatory of Music where he teaches courses on general music history as well as a specialized seminar on contemporary opera. As a musicologist, his research interests focus on opera dramaturgy, the history of regietheater, and the viability of conceptual readings of standard repertory in the twenty-first century.

Brian has studied composition with David Conte, Justin Dello, David Spear, and Jerica Oblak, and has earned degrees from the San Francisco Conservatory of Music and Steinhardt School at New York Universtiy, as well as a certificate in composition studies from the European American Musical Alliance. He has been commissioned by the Joshua Trio, the Amaranth String Quartet, the Balboa Theater, and other ensembles and organizations.

An active jazz pianist, Brian performs regularly with a trio in San Francisco, and has written numerous arrangements of classic jazz repertoire for jazz ensembles. He has also been the frontman for numerous rock bands including the Brian Fitzsousa Trio, Dewey and the Decimals, and Brian Fitzsousa and the Temporary Tattoos, all based in New York City. He also became a sought-after composer of film music, scoring several award-winning films which toured the festival circuit.