David J. Hahn is a music director and pianist. He lives in New York City and works for theatre productions, auditions, classes and individuals.

Dave is the Associate Conductor for the revival of On a Clear Day You Can See Forever and the Associate Synth Programmer for Alan Menken's Leap of Faith.

Dave's solo piano recording of Hoagy Carmichael's "Nearness of You", from his 2006 album Straight Ahead, can be heard in the 2010 feature film Takers, staring Matt Dillon and Hayden Christensen.