Heather McIntosh started her musical career playing with the bands of The Elephant 6 Collective, Gnarls Barkley and Lil Wayne. She has played cello on records for Animal Collective, Norah Jones, Washed Out, Belle and Sebastian and St. Vincent and has performed on stage with a variety of artists, such as Bright Eyes, of Montreal and Cat Power. Following her touring days, she has been regularly composing music for film and television since 2011.

She is an alumna of The Sundance Institute Music & Sound Design Labs at Skywalker Sound, a 2014 Sundance Institute Time Warner Foundation Fellow, and a member of the Academy of Motion Picture Arts and Sciences and the Television Academy and her credits include Compliance and Z for Zachariah directed by Craig Zobel, Faults and The Art of Self-Defence directed by Riley Stearns, the series One Dollar for CBS All Access, Astra Taylor’s feature documentary What is Democracy?, The Quarry directed by Scott Teems and is currently co-composing the score to The L Word: Generation Q with Allyson Newman.