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.
Analyze the relationship between 'Satya Nadella' and 'Microsoft' within the context of the input sentence.
Options: director/manager, employer, parent organization, publisher