Shu Kinouchi began dancing at the age of two at Mayumi Kinouchi Ballet Studio under the direction of his mother. He began participating in ballet competitions in Japan by the age of nine. After attending ABT Orange County Summer Intensive in 2005 and New York Summer Intensive in 2006 on full scholarship, he received a full scholarship to study in Hamburg Ballet School in Germany, where he trained until 2008. Since September of 2008, he has been studying at Jacqueline Kennedy Onassis School at American Ballet Theatre. He has been a National Training Scholar at American Ballet Theatre since 2007. In 2010, he was a finalist in both the Prix de Lausanne and Youth America Grand Prix in New York.At the JKO School and ABT Summer Intensive, he has performed the pas de trois from Swan Lake Act I, the pas de deux from Flames of Paris, Napoli male variation, as well as choreography by Raymond Lukens, Jessica Lang and Aszure Barton.