Ivan Reitman, (born October 27, 1946) is a Czechoslovak-Canadian film producer and director. He is best known for his comedy work, especially in the 1980s and 1990s. He is the owner of The Montecito Picture Company, founded in 1998.
Notable films he has directed include Meatballs (1979), Stripes (1981), Ghostbusters (1984), Ghostbusters II (1989), Twins (1988), Kindergarten Cop (1990), Dave (1993) and Junior (1994). Reitman has also served as producer for such films as Beethoven (1992), Space Jam (1996), Private Parts (1997) and Up in the Air (2009), the latter of which was nominated for the Academy Award for Best Picture.