John Seongho Choi (최성호) is a Canadian-South Korean filmmaker based in Toronto, Ontario. In 1992, right after graduating in Fine Arts at York University, he moved straight to New York City where he worked as a stills photographer assistant. He soon shifted gears towards the motion picture film industry, and he worked at the ARRI Motion Picture Company NYC equipment rental house. He later pursued a film crew freelance career as a camera assistant/focus puller and joined I.A.T.S.E. Local 644 East Coast Camera Union in 1996. As the union merged into Local 600 The International Cinematographers Guild, he was hired on films productions in New York City and abroad including Godzilla, In Dreams, 54, The Bone Collector, 28 Days, Hurricane, The Out Of Towners, and O Brother Where Art Thou? He moved back to Toronto in 2005 and collaborated on numerous music videos for bands. He segued into directing television and factual true crime series. In 2006, he founded his own production company, Playground Films. In 2015, he released his first feature documentary film, Lost & Found. He also directed the feature documentary film Spaceman in 2019.