Kim Sung-yoon graduated from Hongik University with a major in Video and Film Direction. He built his career as a member of the directing departments for numerous independent and commercial films, serving as an assistant director on the feature films The Vanished (2017), Bring Me Home (2019), and Kim Ji Young: Born 1982 (2019). He also directed the short films OPENER (2012), Counting the Stars at Night (2013), and May I Help You? (2015). With his feature debut, Fragment (2026), he won the CGV Award and the Chorokbaem Media Award at the Busan International Film Festival, as well as the New Director Award at the Chicago Asian Pop-Up Cinema. The Sorry Generation is his second feature film.
