As a composer/librettist, Christopher’s works include Kissing and Horrid Strife, adapted from the poetry of D.H. Lawrence, commissioned by the Opera Company of Philadelphia; and K (from the writings of Kafka), presented at the Sundance Theatre Lab under the direction of Diane Paulus.

As a composer, Christopher has collaborated with playwright Laura Harrington (Lucy’s Lapses, workshopped at the O’Neill Music-Theatre Conference and premiered by the Portland Opera) and librettist Joan Schenkar (Fire in the Future, premiered by the Minnesota Opera New Music-Theatre Ensemble.) As musical arranger, he collaborated with director Anne Bogart in the creation of Marathon Dancing (En Garde Arts) and American Silents (Columbia University). 

As a conductor, Christopher continues to explore innovative music-theater scores of past and present in prominent regional theatres across the country including recent productions of The Entertainer (Classic Stage Company), The Threepenny Opera (Williamstown Theatre Festival), Happy End (Sundance Theatre Lab), Cabaret Verboten (Huntington Theatre) and Caroline, or Change (Syracuse Stage.)

Christopher taught “Writing for the Musical Theater” in the undergraduate theater department at New York University from 1998 to 2006. He has also served as a guest lecturer and instructor at the Juilliard School of Drama, the North Carolina School of the Arts, and the Guthrie Experience for Actors in Training. He currently teaches at Pace University’s Dyson School of the Arts in New York.