Brian McGreevy is an American author known for his debut novel, Hemlock Grove, which was published in 2012. The book gained popularity and was later adapted into a Netflix series, showcasing McGreevy's unique storytelling style and ability to blend horror with drama. In addition to his work as a novelist, McGreevy has also been involved in screenwriting and has contributed to various projects in the entertainment industry. His writing often explores themes of identity, transformation, and the complexities of human relationships.