John Einar Hagen is a Norwegian film producer and a founding member of the film magazine Montages. With a background in media studies and pedagogy, Hagen began his career in the mid-2010s and has since become a notable figure in the Norwegian film industry. He has produced a range of films across various genres, including The Tunnel (2019), Narvik: Hitler’s First Defeat (2022), and Polaroid (2019). His work is known for its focus on suspenseful storytelling and high production values. Hagen remains an influential producer in Norway, contributing significantly to both national and international projects.