Matthew Dean Marsh is a Maltese-American gay composer, performer, writer based in NYC.  

Marsh worked as an associate MD on Broadway’s Beetlejuice while it was in development, and is making his compositional debut at the Public Theater this summer.  He has accompanied artists such as Sandra Bernhard, Michael Musto, Taylor Mac, Jo Lampert, Joseph Keckler, Sherie Rene Scott, Shaina Taub, Grace McLean, Todd Almond, Erin Markey, and Niya Norwood. 


Marsh’s original musical adaptation of Shakespeare's Romeo & Juliet was commissioned by Lincoln Center Education and Psittcus Productions. His original soul-folk adaptaion of Mother Courage was featured in the American Academy of Dramatic Arts company presentation in fall 2018. Marsh is currently writing a new two person musical about high school and pathological lying. He is also developing another project with David Cale (Untitled), and a musical with Kate Douglas (Theories.)

As a performer, Marsh has traveled the world as a vocalist, composer, and musician. His compositions have sounded at Madison Square Garden, Barclays Center, Lincoln Center, The Goodman Theater in Chicago, and the White House in Washington DC.  He has also performed at the Pompidou in Paris and Royce Hall in LA. He was the original keyboardist for viral sensation and guitar legend Mrs. Smith.  He has music directed for performance icons like Joseph Keckler, Taylor Mac, and Salty Brine.  He is now a longtime collaborator of David Cale, and their production We’re Only Alive for A Short Amount of Time, which enjoyed a run at The Goodman in Chicago, is set to open at the Public Theater this sumer 2019. 

Marsh’s music video Lost Boys, directed by South Koren based director Brian Crandall won finalist awards in Los Angeles, Paris, and Portland contests. His film scoring premiered at Tribeca Film Festival in the 2016 short documentary, Better to Live. 

A fellow of the Sundance Institute, Drop Forge & Tool Residency, FGP In-House, and the Johnny Mercer Songwriter’s Project, Marsh has worked extensively with both undergrad and graduate performing arts students around the world including New York University, Abu Dhabi, Shanghai, and Cinncinnati College of Music.