Question: Which director is American, Jorge Olguín or Philip Kaufman?

Context articles: Jorge Olguín (director)
Philip Kaufman
Eternal Blood
Goldstein (film)
Ángel Negro
Rose Kaufman
The Unbearable Lightness of Being (film)
Rising Sun (film)
Douglas Stewart (film editor)
Descendents (2008 film)

Jorge Olguín is a Chilean director who works mainly in fantasy and horror.
Philip Kaufman (born October 23, 1936) is an American film director and screenwriter who has directed fifteen films over a
Eternal Blood (originally Sangre Eterna) is a 2002 Chilean vampire-horror film directed by Jorge Olguín, written by Carolina García and Olguín, and starring Blanca Lewin, Juan Pablo Ogalde, Patricia López, and Claudio Espinoza.
 A group of vampire enthusiasts become convinced that their subculture has been infiltrated by real vampires.
Goldstein is a 1965 film co-directed by Philip Kaufman and Benjamin Manaster, and produced by Kaufman and Zev Braun.
 The cast featured a number of actors from The Second City comedy troupe.
 The film shared the Prix de la Nouvelle Critique at the Cannes Film Festival in 1964 with Bertolucci's Before the Revolution.
Ángel Negro ("Dark Angel") is a 2000 Chilean slasher film written and directed by Jorge Olguín. "
Ángel Negro" is the first Chilean horror film.
 After a mysterious accident, a group of friends is hunted down by a masked killer.
Rose Kaufman (née Fisher; March 30, 1939 – December 7, 2009) co-wrote the screenplays of "The Wanderers" (1979) and "Henry & June" (1990) with her husband, writer-director Philip Kaufman.
The Unbearable Lightness of Being is a 1988 American film adaptation of the novel of the same name by Milan Kundera, published in 1984.
 Director Philip Kaufman and screenwriter Jean-Claude Carrière portray the effect on Czechoslovak artistic and intellectual life during the 1968 Prague Spring of socialist liberalization preceding the invasion by the Soviet-led Warsaw Pact that ushered in a period of communist repression.
 It portrays the moral, political, and psycho-sexual consequences for three bohemian friends: a surgeon, and two female artists with whom he has a sexual relationship.
Rising Sun is a 1993 American crime film written and directed by Philip Kaufman, starring Sean Connery (who was also an executive producer), Wesley Snipes, Harvey Keitel, and Cary-Hiroyuki Tagawa.
 Michael Crichton and Michael Backes wrote the screenplay, based on Crichton's novel of the same name.
Douglas Stewart (March 29, 1919 – March 3, 1995) was an American film and television editor with about 16 feature film credits from 1953 – 1983.
 He won the Academy Award for Best Film Editing for the film, "The Right Stuff" (1983), along with co-editors Glenn Farr, Lisa Fruchtman, Stephen A. Rotter, and Tom Rolf.
 "The Right Stuff" was the fourth film of Stewart's notable collaboration with director Philip Kaufman, which began with "The Great Northfield Minnesota Raid" (1972).
 Stewart's extensive television work was honored twice by nominations for Emmy awards.
Descendents (also Solos in Chile) is a 2008 Chilean experimental horror film directed by Jorge Olguín, written by Carolina García and Olguín, and starring Camille Lynch.
 Lynch plays a young child who attempts to cross a land divided by brutal fights between the military and roving zombies.