Keito Saito began learning to play the piano at the age of 6. He studied at the Conservatoire de Musique de la Ville de Luxembourg. In 2000, at the age of 21, he performed with world-renowned pianist Axel Zwingenberger. Upon returning to Japan, he became an active pianist in the Boogie Woogie genre. He was the first Japanese invited to the International Boogie Woogie Festival.
In 2012, he released a live album "Joy BOOGIE WOOGIE / LIVE" with Axel Zwingenberger. Keito Saito continues to develop as a composer, and his poetic music is used in theaters and ballet performances.