
Quick answer — Masahiro Aizawa worked on Sengoku Youko: The Thousandfold Chaos Arc (Director), Hell Girl (Chief Animation Director), Doubutsu no Mori (Animation Director) and 4 more anime.
Masahiro Aizawa worked on Sengoku Youko: The Thousandfold Chaos Arc (Director), Hell Girl (Chief Animation Director), Doubutsu no Mori (Animation Director), Sengoku Youko (Director), Digimon: Hurricane Touchdown (Character Design), Orphen (Character Design), MoonPhase (Character Design).