Cho Sung-kyu (born March 3, 1969), also known as David Cho, is a South Korean film producer, executive producer, director and screenwriter. Apart from producing and investing in numerous films as CEO of Sponge Entertainment, Cho wrote and directed Second Half (2010), The Heaven Is Only Open to the Single! (2012), The Winter of the Year Was Warm (2012), Santa Barbara (2014), and Planck Constant (2015).