Take context from the input text and decide on the accurate relationship between 'Satya Nadella' and 'Microsoft' from the options provided.
Options: parent organization, publisher, director/manager, employer

Prime Minister Narendra Modi , Apple CEO Tim Cook and Microsoft CEO Satya Nadella were among the scores of dignitaries who took to the micro-blogging site to congratulate the IIT Kharagpur alumnus when he was named by Google’s co-founder Larry Page as the next chief executive of the slightly slimmed down internet behemoth.
employer