Born in Madison, Wisconsin, Marshall graduated from Taylor Allderdice High School in Pittsburgh, Pennsylvania in 1980 and Smith College in 1985.
[2] She began her Broadway career as an assistant to her brother Rob,[3] the choreographer of Kiss of the Spider Woman, in 1993.
Viewers' votes selected the stars of the August 2007 Broadway revival of Grease, which she directed and choreographed.
production of Wonderful Town transferred to Broadway in November 2003[7] and ran until January 2005, with both direction and choreography by Marshall.
[16] In 2023, Marshall directed and choreographed the world premiere of Sinatra: The Musical at the Birmingham Repertory Theatre.