Refer to the input text as context and select the correct relationship between 'Tatsumi Kimishima' and 'Nintendo' from the available options.
Options: chief executive officer, employer, distribution format, platform

TOKYO, Sept 14 (Reuters) - Japanese videogame maker Nintendo Co Ltd said on Monday it was promoting Managing Director Tatsumi Kimishima to replace former President Satoru Iwata who died of cancer in July.
employer