Katsuhiro Otomo
Seyama is the editor of many anime series and movies from Studio Ghibli, Katsuhiro Otomo, and Satoshi Kon, including hits such as "Princess Mononoke", "Steamboy", and "Paprika". In 1992, Seyama founded the "Seyama Editing Room," which specializes in editing anime. He has also taken part in editing the 1988 anime My Neighbor Totoro