Yes, thats right. This should be interesting. :D
Well anyway, here's my list. I included descriptions, for those who don't know who they are, but it's not required.
#1 Hayao Miyazaki (Spirited Away, Totoro, Howl's Moving Castle, ect)
#2:Mamoru Hosoda (Bokura no War Game, The Girl who Leapt Through Time)
#3:Isao Takahata (Pom Poko, My Neighbors the Yamadas)
#4:Seiji Mizushima (Fullmetal Alchemist, Show and Film)
#5:Koichi Chigira (Last Exile, Full Metal Panic)