CR Packer was born and raised in Vancouver, BC on unceded Musqueam, Squamish, and Tsleil-Waututh territory. They are a graduate of the University of British Columbia, from which they received a BFA in Creative Writing. They trained in playwriting, poetry, fiction, and non-fiction. Packer first became interested in writing at age six, when her father helped her write a diary entry about touching a lily pad at Van Dusen Garden. Packer's plays have been performed in staged readings and productions under the auspices of Killjoy Theatre, star star theatre, UBC Theatre, Equity in Theatre in partnership with Ruby Slippers Theatre and PGC, Twenty Something Theatre, and Upintheair Theatre's rEvolver Festival. Her short story 'Mrs. Lana Greer' was published in The Boulevard Literary Magazine.

Most recently, Packer co-wrote the narrative podcast IRIS with Wunderdog Theatre, coming 2024.