Born in 1945 in Japan, he is a renowned documentary filmmaker known for his bold and often controversial works. His career began with "Goodbye CP" in 1972, a raw portrayal of individuals with cerebral palsy. He gained acclaim with "The Emperor's Naked Army Marches On" (1987), a provocative exploration of Japan's wartime past. His films often challenge social norms and authority, earning him a reputation as a fearless storyteller. His unique style has influenced both Japanese and global documentary filmmaking.