Question: Grégory Levasseur produced the 2003 horror film directed by whom?

Related documents: [0]  [DOC] Grégory Levasseur (born 1979 in Douarnenez, France) is a French screenwriter and film producer, best known for "The Hills Have Eyes" (2006), "High Tension" (2003), "Maniac" (2012) "Piranha 3-D" (2010), "Mirrors" (2008), "P2" (2007), and "Furia" (1999), all of which he collaborated on with Alexandre Aja. [END] 
[1]  [DOC] High Tension (French: Haute Tension, ] ; released in the United Kingdom as Switchblade Romance) is a 2003 French horror film directed by Alexandre Aja, stars Cécile de France, Maïwenn, and Philippe Nahon. [END]  
Answer: Alexandre Aja
Alexandre Aja