Katie grew up in Ottawa, studied English, Film and Television, married a bartender, and had a daughter. She spent several decades writing screenplays and making films and TV shows. In 2013, Katie won top prize in a UK writing competition. Her publishing debut came in 2020 with the thriller Dark August which became an international bestseller and inspired a trilogy which includes Poison Lilies and Buried Road. She still works in video production as a scriptwriter and director. Katie lives with her husband in the Wellington West neighbourhood of Ottawa.