David James Brock is a playwright, poet, librettist, and screenwriter. He is a past winner of the Herman Voaden Canadian National Playwriting Competition for his play Wet. Brock is the author of two poetry collections, Everyone is CO2 and Ten-Headed Alien (Wolsak & Wynn). With Scottish Opera, Brock co-created Breath Cycle, a multimedia operatic song cycle developed with cystic fibrosis patients. He co-wrote both the opera and screenplay for Year of the Horse (with Mike Haliechuk) and the script for the film Mother of All Shows (with Melissa D’Agostino). He lives in Toronto.