Sietzka is an actor and model in New York. She was raised in Kitchener, Ontario, studied Shakespeare and contemporary fiction at University of Toronto, and then trained in Meisner at The Maggie Flannigan Studio in New York City. Sietzka is known for her work in Emmy winning series ‘Halston’, and Oscar nominated director Celine Song’s upcoming ‘Materialists’. Sietzka is also a violinist, an equestrian, and a mom.