Joshua Rubin is the founding clarinetist and former Artistic Director of the International Contemporary Ensemble (ICE). The New York Times has praised him as "incapable of playing an inexpressive note."

Joshua can be heard on recordings from the Nonesuch, Kairos, New Focus, Mode, Cedille, Naxos, Bridge, New Amsterdam, and Tzadik labels. His album There Never is No Light, available on the Tundra label, highlights music that uses technology to capture the human engagement of the performer and the listener. He has appeared as a soloist on modern and historical clarinets with The Seattle Symphony, Nagoya Philharmonic, Ojai Music Festival, Mostly Mozart Festival, Oregon Bach Festival, and with ensembles around the world including ICE, Saint Paul Chamber Orchestra, and Tesserae Baroque.

He serves on the faculty of the College of the Performing Arts at The New School in New York, soundSCAPE Festival in Blonay, Switzerland, and Ensemble Evolution.