These are my favorite 'foreign' (outside US) Writer/Directors:
Bong Joon Ho (South Korea)
Chan-Wook Park (South Korea)
Yorgos Lanthimos (Greek)
Lars Von Trier (Danish)
Gaspar Noé (Argentinean)
BONUS.. He's already infiltrated America and has many English films..but in case you didn't know him..
Nicolas Winding Refn (Danish):