Saito began playing the piano and composing music at the age of four. After graduating from Tokyo University of the Arts, he moved to France, where he graduated from the Conservatoire National Supérieur de Musique et de Danse de Paris with highest honors. He then moved to Berlin, where he graduated with the highest honors from the master’s program at the Berlin University of the Arts.
He won numerous prizes including Steinway Prize by Steinway Haus Berlin in 2018 (Berlin, Germany), 2nd prize at the Artur Schnabel competition in 2017 (Berlin, Germany), 1st prize at the Massarosa International Piano Competition in 2016 (Massarosa, Italy), Finalist prize at 18th Paloma O’shea Santander Competition in 2015 (Santander, Spain), 4th prize at the Maria Canals Music International Competition in 2015 (Barcelona, Spain),1st prize at the Campillos International Piano Competition in 2014 (Campillos, Spain)1st prize at the Virtuoses du Futur International Piano Competition in 2010(Crans-Montana, Switzerland), Finalist and ‘Madame Gaby Pasquier’ special prize for the best performance of Fauré at Marguerite Long-Jaques Thibaud International Competition in 2009 (Paris, France),3rd prize at the Spanish Composer International Piano Competition (Madrid, Spain).
In Japan also he received the 2nd prze and audience prize scoring the highest in the final in the concerto in All Japan National Competition in 2013 (Tokyo) and the highest prize (2nd prize) at the Tokyo Music Competition in 2006(Tokyo).
He has performed many orchestras such as Tokyo Philharmonic Orchestra, New Japan Philharmonic Orchestra, Tokyo Symphony Orchestra, Orchestre National de France, Radio Symphony Orchestra of Spain, Munich Chamber Orchestra, and others. In recent years, he has been invited to perform solo recitals at music festivals in Paris, London, and Valencia. He has also been actively involved in chamber music and duo ensembles, and is well known as a chamber musician. He hold the recital every year in Tokyo and Paris, for abroad also he had a recital in London, Segovia, Valencia, Saint, Berlin, Munich etc. His International Music festival jointed are: Villefrance-de-Rouergue Music Festival in 2010, Sommets du Classique Crans-Montana in Swizerland in 2011 and Saintonge International Piano Festvival in 2015 etc…
He has studied under Yaeko Ishimaru, Susumu Aoki, Yoko Yamashita, Haruhi Hata, Michel Dalberto, Claire-Marie Le Guay, and Björn Lehmann.