Ivan Reitman, OC is a Canadian film producer and director. He is known for the comedies he has directed and produced, especially in the 1980s and 1990s.
He is the owner of The Montecito Picture Company, founded in 2000.
Reitman was born in Komárno, Czechoslovakia, the son of Klara and Leslie Reitman. Reitman's parents were Jewish; his mother survived the Auschwitz concentration camp and his father was an underground resistance fighter. His family came to Canada as refugees in 1950. Reitman attended Oakwood Collegiate in Toronto and was a member of the Twintone Four singing group.
Reitman's first producing job was with the then-brand new station CITY-TV in Toronto. CITY was also the home of the first announcing job of his later friend and collaborator Dan Aykroyd. However, Reitman's tenure at CITY was short and he was fired during his first year by station owner Moses Znaimer.