People · Dossier
Active since 1999
HK
Hiroki Koyama
小山弘起
Director · Staff
5
Director and staff · 5 anime credits across four decades. Best known for Assistant Producer on One Piece.
Derived from credit data — not curated copy
1999 – 2024
26 years active
5
Staff credits
Best known for · Direction
Assistant Producer
1999
One Piece
Assistant Producer
Top staff positions
Planning
4
Assistant Producer
1
Executive Producer
1