Jang Hang-jun
Jang Hang-jun is a South Korean film director and television director, and also screenwriter in both fields. He is also professor at the Department of Theater and Film at Digital Seoul Culture Arts University. He made his debut in the 2002 film Turn on the Lighter. Jang directed films, including Break Out and Spring Breeze. In 2011, he turned to the small screen, co-wrote and directed Sign, a medical crime investigation drama starring Park Shin-yang and Kim Ah-joong.