Short answers, pulled from the story.
Kenji Kamiyama is best known for directing Ghost in the Shell: Stand Alone Complex, a television series produced with an 800 million yen investment. He treated the series as a separate parallel world from the original manga and film rather than a direct continuation.
Kamiyama's directorial debut was MiniPato in 2002. It was a short project that preceded Ghost in the Shell: Stand Alone Complex, which also began airing in 2002.
Before directing, Kamiyama worked as a background artist on Akira and Kiki's Delivery Service. He also served as art director on The Hakkenden and as assistant art director on Roujin Z, among other early credits.
Kamiyama co-directed Blade Runner: Black Lotus with Shinji Aramaki. The anime series was released in 2021 and 2022 for Adult Swim and Crunchyroll.
Kamiyama suggested the writers draw inspiration from Æthelflæd, a historical Anglo-Saxon female leader, for the character Héra. He noted that Héra played a similar role to Æthelflæd and that Tolkien was inspired by such historical figures.
The Lord of the Rings: The War of the Rohirrim was released on the 13th of December 2024. Kamiyama described the film as an unprecedented opportunity that differed from the thematic approaches he had taken on his other works.