Hiroyasu Kobayashi was born in 1972 in Niigata Prefecture, Japan. Kobayashi received his master's degree at Musashino Art University and started in the film industry as a matte painter before expanding his career as a CG artist. Kobayashi is the CGI director and production designer for the Evangelion New Theatrical Edition series, and is currently working on the fourth installment at Studio khara.
In 2015, Kobayashi directed the short film Cassette Girl as one of the lineup titles for Studio khara’s “Japan Animator Expo” project. It was featured in several film festivals, such as Seattle International Film Festival, Animamundi in Brazil, Toronto Animation Arts Festival International, and Canada Film Festival.
He also directed Gravity Rush: The Animation based on the popular video game, and also The Big Turnip, a special short introducing the history of Studio khara.