Ali Hazelwood

Hazelwood's first novel, The Love Hypothesis, was published in September 2021.^[5] It was on The New York Times Best Seller list for more than 40 weeks.^[6][7] The story was originally written as Star Wars fan fiction about Rey and Kylo Ren, which Hazelwood first published on Archive of Our Own in 2018.^[8] In 2020, Hazelwood was approached by a literary agent about the story, who then helped her prepare it for publication.^[1]

In 2022, Hazelwood published her second full-length novel, Love on the Brain,^[9] as well as three novellas: Under One Roof, Stuck with You, and Below Zero.^[10] In 2023, Hazelwood compiled her three novellas into a book titled Loathe to Love You.^[11] That same year, she released her third adult novel, Love, Theoretically,^[10] as well as her first young adult novel, Check & Mate.^[12] In 2024, she released the paranormal romance, Bride.^[13] Her seventh book, Not in Love, was released in June 2024.^[14] Deep End came out in early 2025,^[15] followed by Problematic Summer Romance, a spin-off of Not in Love.^[16] In October 2025, Hazelwood's second paranormal romance novel, Mate was released.^[17]

Hazelwood was born and raised in Italy^[1] and lived in Japan and Germany before moving to the United States to pursue her Ph.D. in neuroscience.^[6][18] During her graduate study, Hazelwood researched brain stimulation and cognitive neuroscience.^[19]

Hazelwood was a professor until 2022, when she left her academic position to focus full-time on her writing career.^[20][6]