Ryutaro Nonaka - is a video game producer. Ryutaro Nonaka began his career in 2008 and has worked for companies such as SEGA. Ryutaro Nonaka's first game was Valkyria Chronicles which was released 16 years ago. Best Game Ryutaro Nonaka contributed to was Valkyria Chronicles. Ryutaro Nonaka's latest work is Valkyria Chronicles which was released 16 years ago.