Biography
Kat Sieniuc is a Canadian screenwriter and former journalist. She began her career as a daily news reporter at The Globe and Mail, covering politics, crime and the courts in Toronto and New York City. She later trained through the Pacific Screenwriting Program in Vancouver.
Her television writing credits include story work on the Netflix series The Order (2019–2020), staff writing on the ABC series High Potential (2024–2025), and writing on Memory of a Killer (2026). She has also worked on Amazon’s adaptation of the podcast The Left/Right Game. Sieniuc has received several screenwriting awards and fellowships, including the PAGE International Screenwriting Gold Prize.
