Lee Hae-jun is a South Korean director and screenwriter, known for his original narrative style and his ability to explore the human condition. He began his career as a screenwriter before making his directorial debut in 2006 with *Cheonhajangsa Madonna* (*Like a Virgin*), co-directed with Lee Hae-young. The critically acclaimed work earned him major awards, including the Best New Director award at the prestigious Blue Dragon Film Awards. His international breakthrough came with the 2009 film *Kimssi pyoryugi* (*Castaway on the Moon*), which he directed solo. This film became a cult classic for its ability to blend comedy, drama, and a profound reflection on isolation in the modern era, winning audience awards at numerous international film festivals. His subsequent filmography includes titles such as *Naui dokjaeja* (*My Dictator*) (2014) and the action blockbuster *Baekdusan* (*Ashfall*) (2019), co-directed with Kim Byung-seo, demonstrating his versatility in moving from auteur-driven works to large-scale productions.