is a Japanese anime composer and arranger. He is known for his works on many anime series, including Future Diary, ', Fate/kaleid liner Prisma Illya, Love Live! Sunshine!! and Free!. He is currently represented by the music production company APDREAM.
Kato was born in Funabashi, Chiba. He graduated from the film scoring program at the Tokyo College of Music and majored in composition and conducting. While there, he studied composition and arrangement under Shigeaki Saegusa, Katsuhisa Hattori, Reijiro Koroku, and Kentaro Haneda.