Question: Which director is from the US, Bruce Dellis or Nicolas Winding Refn?

Context paragraphs:
Bleeder (film): Bleeder is a 1999 Danish crime drama film written, produced, and directed by Nicolas Winding Refn.  The film was successful in Denmark, but did not live up to the success of Refn's previous film "Pusher".

Fear X: Fear X is a 2003 psychological thriller film directed by Nicolas Winding Refn.  The first film to be produced from one of Hubert Selby Jr.'s original screenplays, its eventual box-office failure would force Refn's film company "Jang Go Star" into bankruptcy.  Refn's financial recovery was documented in the 2006 documentary The Gambler.

Bruce Dellis: Bruce Dellis is a filmmaker based in Tempe, AZ.  He has written and directed several award-winning short films and features.

The Neon Demon: The Neon Demon is a 2016 psychological horror film directed by Nicolas Winding Refn, co-written by Mary Laws, Polly Stenham, and Refn, and starring Elle Fanning.  The plot follows an aspiring model in Los Angeles whose beauty and youth generate intense fascination and jealousy within the industry.  Supporting roles are played by Karl Glusman, Jena Malone, Bella Heathcote, Abbey Lee, Desmond Harrington, Christina Hendricks, and Keanu Reeves.

Locker 13: Locker 13 is a 2009 thriller film directed by Bruce Dellis, George Huang, Jason Marsden, Matthew Mebane, Adam Montierth, Donovan Montierth, and Rick Schroder.  The story was written by John Waldron; the screenplay by Bruce Dellis, Jason Marsden, Donovan Montierth, Jose Rosete, Jason Walters, and Cameron Young.  The film was produced by Danny Del Toro, Shawn Haught, Jason Marsden, Neil Mather, Maria White Mebane, Matthew Mebane, Jose Rosete, Rick Schroder, and Nick Stahr.

Space Rocket Nation: Space Rocket Nation is a Danish film production company founded in 2008 by producer Lene Børglum and director Nicolas Winding Refn after their collaboration on Refn's film "Valhalla Rising".

Pusher (1996 film): Pusher is a 1996 Danish crime drama co-written and directed by Nicolas Winding Refn, in his film debut.  A commercial success considered highly influential in Danish film history, it helped launching Winding Refn's and actor Mads Mikkelsen's careers.

Valhalla Rising (film): Valhalla Rising is a 2009 English-language Danish adventure drama film directed by Nicolas Winding Refn, co-written by Refn and Roy Jacobsen, and starring Mads Mikkelsen.  The film takes place around the year 1096 AD and follows a Norse warrior named One-Eye and a boy as they travel with a band of Christian Crusaders by ship in the hopes of finding the Holy Land.  Instead, they find themselves in an unknown land (actually North America) where they are assailed by unseen forces and dark visions.

Bold Films: Bold Films is an American independent film production and finance company.  Bold was founded in 2004 with the mission of producing talent-driven, studio-quality films, which have worldwide commercial appeal.  Bold's first three films were "Slingshot", "Come Early Morning" and "Mini's First Time".  In 2006 the company had its first hit, producing and financing the Golden Globe-nominated period piece "Bobby", written and directed by Emilio Estevez.  In 2009 Bold produced and released Joe Dante's 3D thriller "The Hole", which Roger Ebert called the best use of 3D ever.  In 2010 Bold had its first major studio film "Legion", which was co-financed and released by Screen Gems, a division of Sony Pictures Entertainment.  In 2011 Bold co-produced and co-financed with OddLot Entertainment the critically acclaimed "Drive" starring Ryan Gosling and Carey Mulligan, for which director Nicolas Winding Refn won the Best Director Award at the Cannes Film Festival while also receiving accolades from the BAFTA Awards, The Golden Globes and Academy Awards.  In 2014 the company garnered worldwide recognition for producing and financing the critically acclaimed films "Nightcrawler" starring Jake Gyllenhaal, and "Whiplash" with Blumhouse Productions, which received five Academy Award nominations, including Best Picture.  Other awards nominations for the film include the Spirit Awards, PGA Awards, SAG Awards, and WGA Awards.

Nicolas Winding Refn: Nicolas Winding Refn (] ; born 29 September 1970) is a Danish film director, screenwriter and producer.  He is known for directing the crime dramas "Bleeder" (1999) and the "Pusher" films (1996-2005), the fictionalised biographical film "Bronson" (2008), the dramatic adventure film "Valhalla Rising" (2009), the neo-noir crime film "Drive" (2011), the thriller "Only God Forgives" (2013), and the psychological horror film "The Neon Demon" (2016).  In 2008, Refn co-founded the Copenhagen-based production company Space Rocket Nation.

Supporting paragraphs: Bruce Dellis Nicolas Winding Refn
Answer: Bruce Dellis