Masao Yamamoto - is a video game director. Masao Yamamoto began his career in 1982 and has worked for companies such as Nintendo, Atari and Coleco. Masao Yamamoto's first game was Donkey Kong Jr. which was released 42 years ago. Best Game Masao Yamamoto contributed to was Donkey Kong Jr.. Masao Yamamoto's latest work is Donkey Kong Jr. which was released 42 years ago.