Ghibli is great, but Japan is full of talented animators. Ongoing list for a friend who is discovering anime.

Satoshi Kon #1-2
Mamoru Hosoda #3-5
Makoto Shinkai #6-7
Kunio Katou #8
Rintaro "Labyrinth Labyrintos" #9
Yoshiaki Kawajiri "The Running Man" #9
Mamoru Oshii #10 & 23
Eiichi Yamamoto #11
Osamu Dezaki #12
Yasuhiro Yoshiura #13
Katsuhiro Otomo #14
Koji Morimoto #15 (part of "Memories" anthology)
Tsuneo Goda #16
Hiroyasu Ishida #17
Masaaki Yuasa #18-20
Sunao Katabuchi #21
Ayumu Watanabe #22