Koichi Sakamoto (Japanese: 坂本 浩一, Hepburn: Sakamoto Kōichi) is a Japanese and American film and television director, stunt performer and coordinator, fight choreographer and producer. He is best known for his work in the tokusatsu genre, particularly for the Super Sentai, Power Rangers and Kamen Rider franchises.
Source: “Koichi Sakamoto”, English Wikipedia (CC BY-SA 4.0), excerpt