Matthew Dean Marsh is a composer, performer, and writer based in New York City.  

Marsh’s collaboration with David Cale, We’re Only Alive for A Short Amount of Time, recently made its debut at The Public and Goodman Theaters. He also worked as an associate musical director on Broadway’s Beetlejuice while it was in development. He has accompanied artists such as Todd Almond, Ato Blankson-Wood, Salty Brine, Sandra Bernhard, Joseph Keckler, Jo Lampert, Taylor Mac, Barrie Lobo McLain, Grace McLean, Michael Musto, Dennis O’Hare, and Sherie Rene Scott.

Marsh’s original musical adaptation of Shakespeare's Romeo & Juliet was commissioned by Lincoln Center Education and Psittcus Productions. His original soul-folk adaptation of Mother Courage was commissioned by the American Academy of Dramatic Arts.

Marsh has traveled the world as a vocalist, composer, and musician. His compositions have sounded at Madison Square Garden, Barclays Center, Radio City Music Hall, Lincoln Center, The Public Theater, 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. 

His concept music video Lost Boys, by director Brian Crandall, won finalist awards in Los Angeles, Paris, and Portland film contests. His film score for Better to Live premiered at Tribeca Film Festival.

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, American Academy of Dramatic Arts, NYU Abu Dhabi, Shanghai, and Cinncinnati College of Music.