Masao Maruyama (丸山 正雄, born June 19, 1941) is a Japanese anime producer and anime entrepreneur, the co-founder of Madhouse, as well as the founder of MAPPA and Studio M2. He is the current chairman of MAPPA and president of Studio M2. Maruyama has been involved in the Japanese animation business for over 50 years. He has worked with many well-known and up-and-coming animators, established several animation production companies, worked on