Monica Valentinelli contributed to All Flesh Must Be Eaten and the Ninja Burger RPG, and also served as Marketing Director for Steve Jackson Games.
She rose to prominence as a game designer when Margaret Weis Productions hired her as lead writer and line manager of the Firefly RPG, which was released in 2014.
[1] After leaving MWP, Valentinelli was announced by Onyx Path Publishing as the lead designer for the second edition of Hunter: the Vigil.
[2] Aside from her contributions to roleplaying games, Valentinelli co-edited the anthology, Upside Down: Inverted Tropes in Storytelling with Jaym Gates.
[3] Publishers Weekly described this book as "both enjoyable to read and an incisive work of commentary on the genre" of speculative fiction.