Kazunori Yamauchi is a Japanese video game designer and producer, best known as the creator of the popular racing game series, Gran Turismo. He is the founder of Polyphony Digital, a subsidiary of Sony Interactive Entertainment, which develops the Gran Turismo games. Yamauchi has been involved in the gaming industry since the mid-1990s and has played a significant role in advancing realistic driving simulations. Yamauchi's passion for cars and racing is evident in his work, as he combines his interests with cutting-edge technology to create immersive gaming experiences. Under his leadership, the Gran Turismo series has sold millions of copies worldwide, making it one of the best-selling video game franchises in history.