Jennifer Hillier is a Canadian author of Filipino descent. She has established herself in the thriller genre, earning recognition from the International Thriller Writers organization. Her 2018 novel Jar of Hearts won the ITW Award for Hardcover Novel in 2019, marking a significant achievement in her career. In 2023, she won the ITW Award for Best Audiobook for her 2022 novel Things We Do in the Dark, demonstrating continued success and recognition in the field.