Nell co-wrote the score to Legally Blonde the Musical with composer Laurence O’Keefe, which received Tony Award nominations, Drama Desk nominations and the Olivier and Helpmann Awards for Best Musical. Nell wrote the lyrics to Mean Girls, which received multiple Tony Award nominations, including for Best Original Score and Best Musical. Book and/or lyrics credit include: Huzzah!, Come Fall In Love: The DDLJ Musical. Real Women Have Curves: the Musical (Broadway) Dave The Musical, Because of Winn Dixie; Pirates! Half Time; Cam Jansen, Sarah, Plain and Tall; The Mice (from 3hree); I Want My Hat Back, How I Became A Pirate, The Explorers Club (Outer Critics Circle Award for Best Play, a Drama Desk nomination, an Edgerton Foundation New American Plays Award, and an Alfred P. Sloan Foundation grant), The New York Philharmonic New Year’s Eve celebration and Young People’s concerts. Film credits include The Sea Beast (Oscar nominated, Annie nominated film), Mean Girls (2024) Television writing includes: Unhappily Ever After, Animal Planet’s Whoa! Sunday with Mo Rocca, Electric Company, Best Time Ever with Neil Patrick Harris, Ant & Dec’s Saturday Night Takeaway and Julie’s Greenroom. Nell is the recipient of the Kleban Foundation Award and a Jonathan Larson Grant and a member of the Dramatists Guild, ASCAP and Maestra.