Biography: Shay Hatten (born March 1993/1994) is an American screenwriter and producer. He is best known for his work on John Wick: Chapter 3 – Parabellum (2019), Army of the Dead, Army of Thieves (both 2021), John Wick: Chapter 4 and Rebel Moon (both 2023). Hatten was born in Oakland, California. He graduated from Moscow High School in 2012 and Loyola Marymount University's School of Film and Television in 2016.